Douglas married Erna Mae Ulmer in 1956. Erna (daughter of Arthur Jacob Ulmer and Elsie Marie Schmidt) was born on 2 Apr 1929 in Lodi, San Joaquin County, California, USA; died on 15 Dec 2013; was buried on 23 Dec 2013 in Tahoma National Cemetery, King County, Washington, USA. [Group Sheet] [Family Chart]

1. Alexander
2. Alexander
3. Alexander
4. Alexander