Alfred E. Wyndham and his wife, Caroline Stuart, came from Dorsetshire, England and settled in Ontario. Alfred came west to command the 12th Battalion of York Rangers in the 1885 Riel Rebellion (North West Rebellion). The family joined him in 1887 and they homesteaded near Carseland, Alberta and built the IU Ranch. In 1910 they moved to Dorothy, Alberta. They had eleven children, including Alexander "Alex", Ernest Alfred, Charles Jr., 1873-1951, Spencer, Mary Sophia (Campbell), Beatrice Ida, Walter Trevelyan, 1864-1948, Tim and John S. "Jack".

Alex, 1860-1949, was born in Toronto, educated in England and came to Calgary in 1877 to join the North-West Mounted Police (NWMP). He served in Steele's Scouts for five years and in the 1885 Riel Rebellion (North West Rebellion). He was discharged in 1890 and farmed near Carseland and Okotoks, Alberta. He retired to Carseland in 1934.

Spencer, 1867-1944, homesteaded in the Kneehill area of Alberta with Charles and Tim in the early 1890s. He married Mary Crocker, 1876-1968, in 1906 and they had three children, Charles Alfred, Spencer Trevelyan and Ralph Ewan.

Mary had emigrated to Alberta from Nebraska, USA with her parents ca. 1900, and lived in Ponoka and later North End Pine Lake where she was postmistress in her parents' store. She and Spencer lived in the Kootenay area of British Columbia, Grassy Lake and Elnora in Alberta, and finally moved to Washington, USA in 1922.

For further information see L.G. Thomas' article, "A Ranchers' Community - Okotoks", in Ranchers' Legacy, Alberta Essays by Lewis G. Thomas / Patrick A. Dunae, ed. -- Edmonton : University of Alberta Press, 1986.