Alvin married Isabella McKaig on 21 Mar 1889 in Kent County, Ontario, Canada. Isabella (daughter of Hugh McKaig and Jane Copeland) was born on 22 Jul 1867 in Ottawa, Lanark County, Ontario, Canada. [Group Sheet] [Family Chart]

1. Colonel Hugh Sitzes was born in August 1894 in Ontario.
2. Clara Sitzes was born in March 1896 in Ontario.
3. Mary Sitzes was born in March 1898 in Ontario.
4. Olive Sitzes was born in May 1904 in Ontario.