Late actress Shannen Doherty left a $6 million Malibu estate and millions more to her grieving family after succumbing to her almost decade-long battle with cancer, RadarOnline.com can reveal. Doherty, who was 53 when she passed away at home over the weekend, disclosed information about her finances in a divorce court filing in the weeks leading up to her death. In an income and expense declaration filed in June, Doherty said she owned $3 million in real estate — explaining that she still had to pay $3 million on the mortgage for the Malibu home. She also revealed she had $251K in the bank alo…