London, England - Frederick Gray was married to Susan Ann Edwards on 16 May 1847 in St. Martin's in the Field, Middlesex. To this marriage, four sons were born before Frederick's untimely death about 1856:
- Frederick Gray, born about 1848 and in the 1871 census at age 23 was living with his step-father Robert Brown and mother Susan Ann Edwards. In 1873, he married Georgina Amelia Kilpatrick.
- John Edward Gray, born 10 June 1849, further described below.
- Edwin Gray, born about November 1850 and died about February 1852.
- George Gray, born 6 September 1854, pursued a career as a bricklayer and builder, and died in 1920 at Wandsworth, London.
Victoria, British Columbia, Canada - George Gray and Emily Constant met in England, traveled with their families to Victoria, British Columbia, Canada. George's parents John Edward Gray and Eleanor Sophia Fosdick immigrated from England in 1908. Emily Constant and her mother Elizabeth Freeman Constant arrived Quebec on 2 September 1909; George and Emily were married in Victoria on September 9, 1909. Most of the Gray family members remained in Victoria or environs, including Florence Ethel Gray and husband William Tippett, Percy Owen Gray and wife Adela Skelton, Mabel Violet Gray and husband Harry Grist, Lawrence Gilbert Gray and wife Mabel Williams, and Cecil Harold Gray and wife Hazel Whittaker.
Los Angeles, California - While other family members remained in Canada, George Gray and Emily Constant made their home in Los Angeles beginning in 1921, after a brief stay in the San Diego, California area during 1911 and 1912.