Oscar married Caroline Verwey in 1915 in Patchogue, Brookhaven, Suffolk, New York, United States. Caroline (daughter of Antoni Verwey and Maria Anna van Veldhoven) was born on 9 Jul 1838 in Amsterdam, North Holland, Netherlands; died on 17 Dec 1919 in Sayville, Suffolk, New York, United States; was buried in 1919 in Sayville, Suffolk, New York, United States of America. [Group Sheet] [Family Chart]