Source: During research for Roswell Percival Ingram Dougall it was determined they were brothers and an examination of the service record shows they both served with the 18th Battalion.

Hensall Union Cemetery
Hensall
Huron County
Ontario, Canada
War Diary of the 18th Battalion CEF
Articles, war diaries, and recognition to the Men of the "Fighting 18th"
Source: During research for Roswell Percival Ingram Dougall it was determined they were brothers and an examination of the service record shows they both served with the 18th Battalion.