5. Ser.SulpiciusRufus, the son of No. 4. was one of the subscriptores of his father's accusation against Murena in B. C. 63. (Cic. pro Mur. 26, 27.) On the breaking out of the civil war, in B. C. 49, he joined his father in espousing Caesar's side, and is frequently mentioned at that time in Cicero's correspondence. He survived his father, who died in B. C. 43. (Cic. Att. 9.18, 19, 10.14, ad Fam. 4.2, Philipp. 9.5.)