Summer booted Casey after two women filed sexual harassment suits against him for his behavior on "I’m Still Here," his fake documentary about Summer’s actor brother, Joaquin Phoenix
. “The lawsuits caused serious trust issues for Summer,” noted the insider. She’s asking for joint custody of their sons Indiana
, 13, and Atticus
, 9, and alimony. Meanwhile Jen, mom of Ben’s kids Violet
, 11; Seraphina
, 8; and Sam
, 5, stayed with the Batman hunk through his gambling and drinking issues.