Betty Jane Thelen, age 90, of Cheyenne, WY, formerly of Port Washington and Grafton, passed into God's hands on Sunday, February 21, 2021, joining her husband, Eugene. She had been cared for by Life Care Center of Cheyenne and her family. Betty was the first born to the late Joseph and Mable (née Maaske) Kolkema, on November 7, 1930 in West Bend. She was raised in West Bend alongside her 7 sisters and 1 brother. On August 20, 1949, she married Eugene "Euch" K. Thelen in Folkston, GA. Betty was a member of St. Paul Lutheran Church in Grafton, St. John's Lutheran Church in Port Washington, and Trinity Lutheran Church in Cheyenne. Above all else, Betty was a loving, caring mother, grandmother, and great-grandmother. Family meant everything to her. She survived by her 4 children, 9 grandchildren, 8 great-grandchildren, 6 sisters, nieces, nephews, other relatives, and friends. She is preceded in death by her husband, her brother, and one sister. Funeral services will be celebrated on Thursday, March 4th at 1 PM at St. John Lutheran Church in Port Washington. A visitation will take place prior to the service at the church from 12 to 1 PM. She will be laid to rest next to her husband at Union Cemetery in Port Washington. In lieu of flowers, memorials are suggested to St. John's Lutheran Church, Port Washington or Trinity Lutheran Church, Cheyenne. The Eernisse Funeral Home, Port Washington is honored to serve the family. Online condolences may be left at www.eernissefuneralhome.com.