John Wolf, born January 28, 1892, at Ramona, South Dakota, was the son of Henry and Rose Jacomet Wolf. He married at Ramona on October 24, 1916, Margaretta (Margaret) Rensch, the daughter of Joseph Anthony and Maria Amelia J. Derunga Rensch. The Wolfs came to Foster County in 1917 and purchased the farm on Section 17, Bordulac Township.
They had 15 children: Elizabeth Ann, Lawrence J., Syril, Ruth Eileen, John, Casper who died April 15, 1546, Ceclia Marie, June Margaret, Rita and Richard (twins), Theresa Mary and Patricia Mary (twins), Jerome, Virginia Louise and Amelia Janice.
John L. Wolf died October 31, 1943 and his wife April 11, 1980; both are buried in the Carrington Cemetery,
Source: A History of Foster County 1983 Page 12B