Complex sentence: His father, Sigismondo di Pietro Marinari, was also a painter, and he trained with his cousin, Carlo Dolci, later being also influenced by Simone Pignoni and Francesco Furini.
Split into simpler sentences: His father, Sigismondo di Pietro Marinari, was also a painter. He trained with his cousin, Carlo Dolci, and was later influenced by Simone Pignoni and Francesco Furini.