Relation to Gus (Gershon) BlumbergElias Katz, the father of Robert E Katz, the father of Ellis Katz, the husband of Marjorie Ruth Blumberg Katz, the daughter of Louis Eliel Blumberg, the son of Helman (Halman) Yaakov Blumberg, the brother of Gus (Gershon) Blumberg