The mother of U.S. Sen. John Thune has died.
In a news release, Thune announced that his mother, Yvonne Patricia "Pat" Thune, died Wednesday morning. She was 90.
Pat Thune was born in 1921 in Pontiex, Saskatchewan, Canada. She met her husband, Harold Thune, while enrolled at the University of Minnesota. They married in 1943 and settled in Murdo, S.D.
After running a family hardware business, the couple began working in the Murdo school system.
Pat and Harold Thune have five children, including Sen. Thune.
Thune recalled his mother as a devoted and loving woman who encouraged him and his siblings to work hard and do their best.