the immediate cause of death was colon lymphoma, with the hiv infection listed among “significant conditions contributing to death,” according to dr. the immediate cause of death was colon lymphoma with the hiv infection listed among “significant conditions contributing to death,” said dr. robert reed, who became a surrogate father to a generation as the head of an exceptionally large household on television's brady bunch, died on tuesday night. robert reed, patriarch of television’s beloved “the brady bunch,” died tuesday night at huntington memorial hospital in pasadena, his daughter, karen…