When William Andrew Musterman was born on 23 May 1920, in Annapolis, Anne Arundel, Maryland, United States, his father, Andrew J Musterman, was 19 and his mother, Bertha Margaret Lee, was 17. He married Marjorie Elaine Utley on 29 May 1942, in Wilmington, New Castle, Delaware, United States. He lived in Tustin, Orange, California, United States in 1989 and San Clemente, Orange, California, United States in 1993. He died on 26 December 2007, in Mission Viejo, Orange, California, United States, at the age of 87, and was buried in San Diego, San Diego, California, United States.
Americanized form of German Austermann: Westphalian variant of Ostermann .