It was confirmed several days later that a son fathered by Schwarzenegger with his housekeeper was born less than a week after Shriver gave birth to Schwarzenegger 's son , Christopher , who is now 13 . NEW : Shriver wants joint custody of the couple 's two minor children . Shriver and Arnold Schwarzenegger divorced after more than 20 years together . He has admitted to having a child outside of his marriage . Shriver and Madonna share four children .
NEW : Shriver wants joint custody of the couple 's two minor children . Shriver and Arnold Schwarzenegger divorced after more than 20 years together . He has admitted to having a child outside of his marriage . Shriver and Madonna share four children .