- Born: 18 Apr 1883 in Missouri.2,3
- Married: Elizabeth Pruetzel 15 Sep 1907 in St. Louis Co., Missouri.1,2,3
- Missouri State Archives. Application for license to marry. Henry Treuel and Lizzie Pruetzel.
- Edna (Klingeman) Gapsch, notes. 20 Feb 2001. Currently held by author, Boone, North Carolina.
- Lawrence Watterson, "Descendants of William Henry Truel", descendants report. Currently held by author, Boone, North Carolina.