6. M. Fabius
Ambustus, K. F. M. N., son, as it appears, of No. 3, was consular tribune in B. C. 381. (Liv. 6.22
He had two daughters, of whom the elder was married to Ser. Sulpicius, and the younger to C. Licinius Stolo, the author of the Licinian Rogations.
According to the story recorded by Livy, the younger Fabia induced her father to assist her husband in obtaining the consulship for the plebeian order, into which she had married. (6.34.) Ambustus was consular tribune a second time in 369, and took an active part in support of the Licinian Rogations. (6.36.)
He was censor in 363. (Fast. Capitol.