Relation to Irving Katz, Jr.Reuven Blumberg, the father of Max (Mordkhel) (Mordecai) Blumberg, the father of Helman (Halman) Yaakov Blumberg, the father of Louis Eliel Blumberg, the father of Marjorie Ruth Blumberg Katz, the wife of Ellis Robert Katz, the son of Robert Ellis Katz, the brother of Irving Katz, the father of Irving Katz, Jr.