Betty was born on Aug. 19, 1918, in Fulton, S.D., to Elmer and Ella Swenson. She spent her early years in Wheat Basin, Mont., and then attended high school in Billings.
She married Rex Peters in Billings on July 31, 1938. They were married for 72 years.
A daughter was born while the couple resided in Columbus, Mont. They later moved to Pavillion and on to Riverton at the end of World War II.
They lived in Riverton for almost 50 years before moving to Powell in 1990 to be close to their daughter.
Betty was an avid bridge player, seamstress and crafter.
She was preceded in death by her husband, Rex, in January 2010; her parents; two sisters, Marie Dolan and Hazel Baker; and a brother, Stanley Swenson.
Betty is survived by daughter Donna Doornbos (Al) of Powell; grandchildren Sheri Core (Jim) of Boise, Idaho, Nancy Core (Steve) of Green River and Rex Doornbos (Sarah) of Alpine; six great-grandchildren; a great-great-granddaughter; her sister, Elaine Steele of Billings; three brothers-in-law, Graham Baker of Libby, Mont., Kenneth Peters of Superior, Mont., and Norman Peters of Billings; and numerous nieces and nephews.
Cremation has taken place and, as she requested, a private celebration of life will take place at a later date. Memorials may be made to the charity of one’s choice.
Thompson Funeral Home is handling arrangements.