Michael Madsen 's sons just beat out their own mother in a legal battle for control over his estate ... TMZ has learned. Two of Michael's four kids, Max and Christian Madsen , have been appointed personal representatives of the late actor's estate ... according to new legal docs obtained by TMZ. Their mom, Michael's ex-wife Jeannine Bisignano , was also vying to be put in charge as a special administrator so she could collect on millions of dollars she claims he owed her when he died. Her own