Bert J. Tiesen D.C., age 92, formerly of Freeman, S.D., died on Monday, April 1, 2019 at the Avera Dougherty Hospice House in Sioux Falls, S.D. A funeral service will be held at 10 a.m. on Friday, April 5 at Spirit of Peace U.C.C. Church in Sioux Falls. Visitation will begin at 5 p.m. on Thursday, April 4 at George Boom Funeral Home & On-Site Crematory in Sioux Falls, with his family present to greet friends from 5 p.m. to 7 p.m. In lieu of flowers, please consider making a memorial donation.