Arthur G. Ortmann and Edward Ortmann were both born June 20, 1916 in Queens County. Their parents were Rhenhart Ortmann, born in Germany about 1897, and Elizabeth, born in New York about 1906. In 1930 the family lived on Fresh Pond Road, Ridgewood, Queens County. In May 1938 their address was Glendale, Queens County when they purchased land in Yaphank on the south side of Main Street and bounded by the Connecticut River.
Arthur enlisted in the Army on April 11, 1941. He was assigned to the 1505th Air Group. His brother Edward was also in the service but no information has been found regarding the service of the two brothers.