Bertram married Betty Brewster Smith 2 March 1946 in Denver, Colorado.
Sources
↑ Social Security Administration; Washington D.C., USA; Social Security Death Index, Master File
National Archives at St. Louis; St. Louis, Missouri; WWII Draft Registration Cards for Pennsylvania, 10/16/1940-03/31/1947; Record Group: Records of the Selective Service System, 147; Box: 3
United States of America, Bureau of the Census; Washington, D.C.; Seventeenth Census of the United States, 1950; Record Group: Records of the Bureau of the Census, 1790-2007; Record Group Number: 29; Residence Date: 1950; Home in 1950: Rockaway, Morris, New Jersey; Roll: 3172; Sheet Number: 70a; Enumeration District: 14-169