Thomas married Eva Beatrice Sampson on 29 Feb 1892 in Broken Hill, , New South Wales, Australia. Eva (daughter of John Sampson and Susan Rawling Sanders) was born on 23 Jun 1874 in Kooringa, , South Australia, Australia; died on 13 May 1955 in Midland Junction, , Western Australia, Australia. [Group Sheet] [Family Chart]

1. Thomas Glenville Marks was born on 4 Jan 1893 in Broken Hill, , New South Wales, Australia; died on 28 Apr 1924 in Perth, , Western Australia, Australia.
2. Violet Marks was born on 31 Jul 1895 in Midland, , Western Australia, Australia; died on 13 Jul 1975 in Perth, , Western Australia, Australia.