Relation to Irving Katz, Jr.Irving Isadore Jacques Friedman, the brother of Bertha Friedman Schulman, the mother of Leah Schulman Blumberg, the mother 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.