Dutch was born Jan. 27, 1929, in Great Bend, Kan., to Grant and Minnie Unruh Seibert, the first of five children. He graduated from Great Bend High School in 1947 and went to work as a roughneck for Halliburton. Dutch and Wanda McCarter were married in 1950.
Dutch's working years involved traveling nationally and internationally in petroleum-related industry sales. During this time, he lived in Pampa, Amarillo and Salt Lake City. He retired in 1986, spending summers in Colorado near Lake Vallecito, and winters in Sun City, Ariz. He was a member of Great Bend Masonic Lodge No. 15 and El Kalah Shriners.
The family wishes to thank Garrison Geriatric Care and Education Center and Odyssey Health and Hospice Care of Lubbock for the loving care they gave Dutch.
He was preceded in death by his parents; his ex-wife and good friend, Wanda Watson; a brother, Roy Allen Seibert; and a sister, Twilla James.
Survivors include a sister, Rosemary George of Campbell, Calif.; a brother, Kenneth Seibert of Kansas City, Mo.; three daughters, Linda Knabe and husband Adolph and Kelly Macias and husband Refugio, all of Midland, and Tammy Fredman and husband Allen of Amarillo; two sons, Stanley Seibert and wife Debbie of Quincy, Ill., and Todd Seibert and wife Michelle of Amarillo; 10 grandchildren; and several nieces and nephews.