12. C.CalpurniusPisoFrugi, a son of No. 11, married Tullia, the daughter of Cicero, in B. C. 63, but was betrothed to her as early as B. C. 67 (Cic. Att. 1.3). In Caesar's consulship, B. C. 59, Piso was accused by L. Vettius as one of the conspirators in the pretended plot against Pompey's, life. He was quaestor in the following year, B. C. 58, when he used every exertion to obtain the
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recal of his father-in-law from banishment, and for that reason would not go into the provinces of Pontus and Bithynia, which had been allotted him. He did not, however, live to see the return of Cicero, who arrived at Rome on the 4th of Septem>ber, B. C. 57. He probably died in the summer of the same year. He is frequently mentioned by Cicero in terms of gratitude on account of the zeal which he had manifested in his behalf during his banishment. (Cic. Att. 2.24, in Vatin. 11, pro Sest. 24, 31, ad Q. Fr. 1.4, ad Fam. 14.1, 2, post Red. in Sen. 15, post Red. ad Quir. 3.)