Complex sentence: All four of his children (Bon, Louis, Geneviève and Madeleine) became painters, and Geneviève also married the sculptor Jean-Jacques Clérion (c.1640--1714).
Split into simpler sentences: All four of his children (Bon, Louis, Geneviève and Madeleine) became painters. Geneviève married the sculptor Jean-Jacques Clérion (c.1640--1714).