Wesley married Eva Hyde on 20 Feb 1925 in Elko, Elko, Nevada, United States. Eva (daughter of Wilford Andrew Hyde and Dorothy Christena Jensen) was born on 9 Apr 1903 in Grover, Uinta, Wyoming, United States; died on 14 May 1987; was buried after 14 May 1987 in Rush Valley, Tooele, Utah, United States. [Group Sheet] [Family Chart]

1. Robert Wesley Koyen was born on 23 Oct 1927 in Twin Falls, Twin Falls, Idaho, United States; was christened on 30 Nov 1935; died on 12 Dec 1989; was buried in Rush Valley, Tooele, Utah, United States.
2. Elsie Koyen was born on 4 May 1934 in Caliente, Lincoln, Nevada; died on 30 May 2008; was buried on 4 Jun 2008 in Rush Valley, Tooele, Utah, United States.
3. Norman Orson Koyen was born on 27 Jul 1938 in Caliente, Lincoln, Nevada, United States; died on 28 Jun 1974; was buried on 18 Jul 1974 in Rush Valley, Tooele, Utah, United States.