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Son of Józef "Joseph" Wojciech Kostuch and Antonina Julianna Kostuch Brother of Rozalia "Rose" Glodowski; Franciszek Kostuch; Frank Kostuck; August C. Kostuck; Helen Lepinski and 1 other; and Mary Jensen « less Half brother of Joseph Kostuck; Benjamin Kostuck; John Kostuck; Frances Theresa Patoka and Peter Kostuck