· according to the blast, cassidy s $ 150 , 000 in assets were entailed to his son beau , 26, while daughter katie , 31, was left out entirely. Instead, the late actor and musician, who shot to fame as keith in 1970s tv sitcom the partridge family, reportedly left most of his estate to his son beau , reports the sun. · the late partridge family alum david cassidy intentionally left most of his assets to only one of his two kids. · “partridge family” star david cassidy left daughter katie cassidy out of his will and left his $ 150 , 000 in assets to son beau devin cassidy. · according to documents obtained by the blast , david cassidy ’s will revealed that he left just $ 150 , 000 in assets to son beau devin cassidy. The arrangements were revealed. David cassidy has completely snubbed his daughter katie cassidy in his will , it has been revealed. According to the blast, cassidy s $ 150 , 000 in assets were entailed to his son beau , 26, while daughter katie , 31, was left out entirely. · david cassidy has left the majority of his estate to his only son , beau. David, who was a father of two, cut his daughter , actress katie cassidy , completely from his will. In documents obtained by the blast, the late partridge family star leaves his $ 150 , 000 assets to beau , with.