Sextus Julius Caesar I was a military tribune under Luciu s Aemilius Paulus. He was proconsul in Liguria. In his time , 200 B.C. books instead of being written on one long shee t of scroll and rolled, were of many leaves bound together . He was the father of two sons as follows: 1. Caius Julius Caesar I (See elsewhere for continuation o f his descendants to Atia, mother of Octavia the Elder, wif e of Mark Antony III) 2. Sextus Julius Caesar II