Clark is survived by his wife Colleen Powelson Thorstenson and five children: Kevin (Colleen) Sadler, Texas, Lisa Anderson (John) Pleasant Grove, Utah, Elizabeth Wallis (Tyler) Orlando, Florida, Daniel (Rebekah) Provo, Utah, and Jill Sumsion (Brett) Weston, Massachusetts. He is the grandfather of 22 grandchildren, and one great-grandchild.

Funeral Services will be held Friday, December 15th, at 1:30 p.m., at The Church of Jesus Christ of Latter-day Saints located at 3050 N. Mojave Lane in Provo, Utah, where Viewings will be held Thursday, December 14th from 6:00 to 8:00 p.m. and prior to the service on Friday from 12:00 to 1:00 p.m. Live broadcast: https://youtube.com/live/zU74_lZdIB4?feature=share.

Funeral Directors: Utah Valley Mortuary. For more information and to leave online condolences please visit uvfuneral.com.