Complex sentence: Mastroianni has a son, Milo, (born 31 December 1996), with ex-boyfriend Pierre Thorreton, and a daughter, Anna (born 22 April 2003) from her marriage to musician Benjamin Biolay.
Split into simpler sentences: Mastroianni has a son, Milo, (born 31 December 1996), with ex-boyfriend Pierre Thorreton. She also has a daughter, Anna (b.22 April 2003) from her marriage to musician Benjamin Biolay.