Il est marié avec Edith Dickens.
Ils se sont mariés en l'an 1893 à Manchester, Jackson County, Wisconsin, il avait 28 ans.
Household 139/140. Geo. W. Brenner, head, age 36, born May 1864 in Minnesota of parents born Germany, married 7 years, 10 births/5 living children; Edith Brenner, wife, age 26, born May 1874 in Iowa of parents born Iowa, married 7 years, 1 birth/0 living children; Johnnie E. Brenner, son, age 16, born May 1884 in Minnesota, father born Minnesota, mother born England; Muriel K. Brenner, daughter, age 7, born June 1893 in Iowa, father born Minnesota, mother born England.
500 33rd Street. Household 98/101. Geo. W. Brenner, age 46, married twice, second time for 16 years, born Minnesota of parents born Germany, real estate agent; Edith M. Brenner, wife, age 35, married once for 16 years, 1 birth/0 living children, born Iowa, seamstress; Muriel C. Brenner, daughter, age 17, born Iowa, father born Minnesota, mother born England, clerk.