Relation to Reuben Amon BlumbergKate (Polis) Cohen, the daughter of Max Polishook, the brother of Ella Polishook Katz, the mother of Robert Ellis Katz, the father of Ellis Robert Katz, the husband of Marjorie Ruth Blumberg Katz, the daughter of Louis Eliel Blumberg, the brother of Reuben Amon Blumberg