Relation to Irving Katz, Jr.Arthur Hurvitz, the husband of Joyce Rady Hurvitz, the daughter of Jennie Blumberg Rady, the sister 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.