Castor became alarmed and asked Livia for her help against Sejanus. Livia told him not to be afraid: she would soon bring Tiberius to his senses. But she had no confidence in Castor as an ally. She went to Tiberius and told him that Castor had accused Sejanus of debauching Livilla, of abusing his position of confidence by levying blackmail on rich men in Tiberius' name, and of aiming at the monarchy; that he had said that unless Tiberius dismissed the rascal soon he would take the matter into his own hands; and that he had then asked for her co-operation. By putting the case like this to Tiberius she hoped to make him as mistrustful of Sejanus as he was of Castor and thus to cause him to fall back into his old habit of dependence on her.
For a time at least she succeeded. But then an accident suddenly convinced Tiberius that Sejanus was as loyally devoted as he pretended to be and as all his actions had hitherto shown him. They were picnicking together one day with three or four friends in a natural cave by the seashore, when there was a sudden rattle and roar and part of the roof fell in, killing some of the attendants and burying others, and blocking up the entrance. Sejanus crouched with arched back over Tiberius—they were both unhurt—to shield him from a further fall. When the soldiers dug them out an hour later he was found still in the same position. Thrasyllus, too, by the way, increased his reputation on this occasion: he had told Tiberius that there would be an hour of darkness about noon that day. Tiberius had Thrasyllus' assurance that he would outlive Sejanus by a great many years, and that Sejanus was not dangerous to him. I think that Sejanus had arranged this with Thrasyllus, but I have no proof: Thrasyllus was not altogether incorruptible but when he made prophecies to suit his clients' wishes they seemed to come off just as well as his ordinary ones. Tiberius did outlive Sejanus as it happens, by a number of years.
Tiberius gave a further public sign that Castor was out of favour by censuring him in the Senate for a letter he had written. Castor had excused himself from attending the sacrifice when the House opened after the summer recess, explaining that he was prevented by other public business from returning to the city in time. Tiberius said scornfully that anyone would think that the young fellow was on campaign in Germany or on a diplomatic visit to Armenia: when all the "public business" that kept him was boating and bathing at Terracina. He said that he himself, now in the decline of life, might be excused for an occasional absence from the City: he might plead that his energies had been exhausted by prolonged public service with the sword and the pen. But what except insolence could detain his son? This was most unjust: Castor had been commissioned to make a report on coastal defence during the recess and had not been able to collect all the evidence in time: rather than waste time by a journey to Rome and then back again to Terracina he was finishing his task.
When Castor returned he almost immediately fell ill.
The symptoms were those of rapid consumption. He lost colour and weight and began coughing blood. He wrote to his father and asked him to come and visit him in his room—he lived at the other end of the Palace—because he believed that he was dying, and to forgive him if he had in any way offended. Sejanus advised Tiberius against the visit: the illness might be real, but on the other hand it might easily be a trick for assassinating him. So Tiberius did not visit him and a few days later Castor died.
There was not much sorrow at the death of Castor. The violence of his temper and his reputation for cruelty had made the City apprehensive of what would happen if he succeeded his father. Few believed in his recent reformation. Most people thought it had merely been a trick to win popular affection, and that he would have been just as bad as his father as soon as he found himself in his father's place. And now Germanicus' three sons were growing up—Drusus, too, had just come of age—and were unquestionably Tiberius' heirs. But the Senate, out of respect for Tiberius, mourned for Castor as noisily as it could and voted the same honours in his memory as it had voted Germanicus. Tiberius made no pretence of sorrow on this occasion but pronounced the panegyric he had prepared for Castor in a firm resonant voice. When he saw tears rolling down the faces of several senators he remarked in an audible aside to Sejanus at his elbow: "Faugh! The place smells of onions!" Gallus afterwards rose to compliment Tiberius on his mastery over his grief.
He recalled that even the God Augustus, during his presence among them in mortal shape, had so far given way to his feelings at the death of Marcellus, his adopted son [not even his real son], that when he was thanking the House for its sympathy he had to break off in the middle, unable to go on for emotion. Whereas the speech they had just heard was a masterpiece of restraint. [I may mention here that when four or five months later depuities arrived from Troy to condole with Tiberius on the death of his only son, Tiberius thanked them: "And I condole with you, gentlemen, on the death of Hector."] Tiberius then sent for Nero and Drusus, and when they arrived at the House he took them by the hand and introduced them: "My Lords, three years ago I committed these fatherless children to their uncle, my dear son whom to-day we are all so bitterly mourning, desiring him to adopt them as his sons, though he already had sons of his own, and bring them up as worthy inheritors of the family tradition. [Hear, hearl from Gallus, and general applause.] But now that he has been snatched from us by cruel fate [groans and lamentations]
I make the same request of you. In the presence of the Gods, in the face of your beloved Country, I beseech you, receive into your protection, take under your tuition, these noble great-grandchildren of Augustus, descended from ancestors whose names resound in Roman history: see that your duty and mine is honourably fulfilled towards them.
Grandsons, these senators are now in the place of fathers to you, and your birth is such that whatever good or evil may befall you will spell the good or evil of the entire State." [Resounding applause, tears, benedictions, shouts of loyalty.]
But instead of leaving off there he spoilt the whole effect by ending on a familiar note with his old stale phrases about presently retiring and restoring the Republic—when "the Consuls or someone else" would "take the burden of government off" his "aged shoulders". If he did not intend Nero and Drusus [or one or other of them] as his Imperial successors, what did he mean by identifying their fortune so closely with that of the State?
Castor's funeral was less impressive than Germanicus', being marked by very few genuine expressions of grief, but on the other hand far more magnificent. Every one of the family masks of the Caesars and Claudians was worn in the procession, beginning with those of Eneas, the founder of the Julian family, and Romulus, the founder of Rome, and ending with those of Gaius, Lucius and Germanicus. Julius Caesar's mask appeared because, like Romulus, he was only a demi-god, but Augustus' did not appear, because he was a major Deity.
Sejanus and Livilla had now to consider how to achieve their ambition of becoming Emperor and Empress, Nero, Drusus and Caligula stood in the way and would have to be removed. Three seemed rather many to get rid of safely, but, as Livilla pointed out, her grandmother had apparently managed to get rid of Gaius, Lucius and Postumus when she wanted to put Tiberius into power. And Sejanus was clearly in a much better position than Livia had been for carrying their plans through. To show Livilla that he really intended to marry her, as he had promised, Sejanus divorced his wife Apicata, by whom he had three children.
He charged her with adultery and said that she was about to become the mother of a child which was not his own.
He did not publicly name her lover but told Tiberius in private that he suspected Nero. Nero, he said, was getting a bad reputation for his affairs with the wives of prominent men and seemed to think that, as heir-presumptive to the monarchy, he could behave how he liked. Livilla meanwhile did her best to detach Agrippina from Livia's protection, by warning Agrippina that Livia was only using her as a weapon in her conflict with Tiberius—which happened to be true—and by warning Livia, through one of her ladies-in-waiting, that Agrippina was only using her as a weapon in her conflict with Tiberius—which was also true. She made e
ach believe that the other had sworn to kill her as soon as her usefulness ended.
The twelve pontiffs now began to include Nero and Drusus in the customary prayers they offered for the health and prosperity of the Emperor, and the other priests followed their example. Tiberius as High Pontiff sent a letter of complaint to them, saying that they had made no difference between these boys and himself, a man who had honourably held most of the highest offices of State twenty years before they were bom, and all the rest since: it was not decent. He called them into his presence and there asked them whether Agrippina had merely coaxed them to make this addition to the prayer or whether she had frightened them into making it by using threats. They denied, of course, that she had done either, but he was not convinced; four of the twelve, including Gallus, were in some way connected with her by marriage and five others were on very friendly terms with her and her sons. He reprimanded them severely. In his next speech he warned the Senate to "award no further premature distinctions that might encourage the giddy minds of young men to indulge in presumptuous aspirations."
Agrippina found an unexpected ally in Calpurnius Piso.
He told her that he had defended his uncle Gnasus Piso merely out of regard for family honour and that he must not be thought of as her enemy; he would do all that he could to protect her and her children. But Calpurnius did not live long after this. He was charged in the Senate with "treasonable words spoken in private", and of keeping poison in his house, and of coming into the Senate armed with a dagger. These two last articles were so absurd that they were dropped, but a day was fixed for his trial on the "treasonable words" charge. He killed himself before the trial came off.
Tiberius believed Sejanus' story that there was a secret party, called the Leek Green party, now being formed by Agrippina, the sign of which was an extravagant partisanship of the Leek Green faction in the chariot-races in the Circus. In these races there were four colours—scarlet, white, sea-blue and leek-green. The Leek Green faction happened to be most in favour at this time and the Scarlet the most unpopular. So now when Tiberius went to watch the races on public holidays, as he was bound to do in his official position—though he had not hitherto been at all interested in them and discouraged idle racing-talk at the Palace or at banquets to which he was invited—and began for the first time to notice what sort of support the different colours were being given he was greatly disturbed to hear the Leek Green so cried up. He had been also told by Sejanus that Scarlet was the secret symbol used by Leek Greens when they wished to refer to his own supporters, and he noticed that whenever a Scarlet chariot won, which was seldom, it came in for loud groans and hisses. Sejanus was clever; he knew that Germanicus had always backed the Leek Green and that Agrippina, Nero and Drusus, for sentimental reasons, continued to favour the colour.
There was a nobleman called Silius who had been for many years a corps-commander on the Rhine. I think I have mentioned him as the General of the four regiments in the Upper Province of Germany which did not take part in the great mutiny. He had been my brother's most capable lieutenant and had been granted triumphal ornaments for his successes against Hermann. Recently, at the head of the combined forces of the Upper and Lower Provinces he had put down a dangerous revolt of the French tribes in the neighbourhood of my birthplace, Lyons. He was not a modest man but not particularly boastful and if he had really said in public, as was reported, that but for his tactful handling of those four regiments in the mutiny they would have joined the other mutineers, and that therefore, but for him, Tiberius would not have had any Empire at all to rule over—well, that was not far from the truth. But naturally Tiberius did not like it, if only because the mutinous regiments were, as I explained, the ones with which he had himself had most to do. Silius' wife Sosia was Agrippina's best woman friend. It so happened that Silius at the great Roman Games, which were held early in September, was betting very heavily on the Leek Green. Sefanus shouted across to him: "I'll take you up to any amount. My money's on Scarlet." Silius shouted back: "You're backing the wrong colour, my friend. The Scarlet charioteer hasn't the least idea of managing his reins. He tries to do it all with the whip. I'll bet you an even thousand that Leek Green wins. Young Nero here says he'll make it fifteen hundred; he's an enthusiastic Leek Greener." Sejanus looked significantly at Tiberius, who had heard the whole exchange and was astonished at Silius' boldness. He took it as a good omen when the leader of the Leek Green chariot fell in rounding the mark on the last lap but one, and Scarlet came in an easy winner.
Ten days later Silius was impeached before the Senate.
The charge was high treason. He was accused of having connived in the French revolt during its earlier stages and having taken a third part of the plunder as payment for non-intervention, of making his victory the excuse for further plunder of loyal provincials, and of afterwards imposing excessive emergency taxes on the province for the expenses of the campaign. Sosia was accused of complicity in the same offences. Silius had been unpopular at the Palace ever since the French rebellion. Tiberius had come in for a good deal of criticism for not having taken the field against the rebels, and for having shown more interest in the treason trials that were going on at the time than in the campaign. He had excused himself to the Senate on the ground of age—and Castor had been engaged in important business—and explained that he had been keeping in touch with Silius' headquarters all along, giving him valuable advice. Tiberius was very sensitive about the whole French revolt. When the French were beaten he had been made ridiculous by the motion of a waggish senator, an imitator of Gallus' tricks, that he should be awarded a triumph for being the man really responsible for victory. He was so displeased by this, taking the line that in any case the victory was not worth talking about, that nobody dared to vote Silius the triumphal ornaments which he thoroughly well deserved. Silius had been disappointed and what he had said about the Rhine mutiny had been said in resentment of Tiberius' ingratitude.
Silius disdained to reply to the charges of treason. He was not guilty of any understanding with the rebels and if the soldiers under his command had in some cases failed to distinguish between the property of rebels and the property of loyalists that was only to be expected: many pretended loyalists were secretly financing the rebellion. As for the taxation, the fact was that Tiberius had promised him a special grant from the Treasury to cover the expenses of the campaign and to indemnify Roman citizens for their loss of houses, crops and cattle. In anticipation of the payment of this grant Silius had imposed a tax on certain Northern tribes, promising to refund the money when it was paid him by Tiberius: which it never was. Silius was a poorer man by twenty thousand gold pieces after the revolt than before it, because he had raised a troop of volunteer horse which he armed and paid at his own expense. His chief accuser, who was one of the Consuls of the year, pressed the charges of extortion with great malice. He was a friend of Sejanus and was also the son of the military governor of the Lower Province who had wished to take supreme command of the Roman forces against the French and had been forced to stand aside in Silius' favour. Silius could not even produce evidence of Tiberius' promised grant, because the letter in which it was contained was sealed with the Sphinx. And the charges of extortion were in any case irrelevant, because the trial was for treason, not for extortion.
He finally burst out: "My Lords, I could say much in my defence but shall say nothing, because this trial is not being conducted in a constitutional manner and the verdict has been long ago decided. I understand that my real crime is having said that, but for my handling of them, the regiments in Upper Germany would have mutinied. I shall now put my culpability in this matter beyond question. I shall say that, but for Tiberius' previous handling of them, the troops in Lower Germany would not have mutinied.
My Lords, I am the victim of an avaricious, jealous, bloodthirsty, tyrannical..." The rest of his speech was drowned in a roar of horrified protest from the House.
Silius saluted Tiberius and walked out with
his head high in the air. When he arrived at his house he embraced Sosia and his children, gave an affectionate message of farewell to Agrippina, Nero, Gallus, and his other friends, and going to his bedroom drove his sword into his throat.
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