WATERLOO -- Donald Wayne Barker, 70, of Waterloo, died Tuesday, March 21, at UnityPoint Health-Allen Hospital.

He was born Oct. 23, 1946, in Volga, son of Donald Leroy and Sylvia Wheeler Barker. He married June Wilson on Sept. 9, 1967, at the Christian Church in Greensburg, Kan.

Don graduated from Oelwein High School in 1966 and attended Emporia Teachers College in Kansas, where he studied teaching and coaching and was on the wrestling team. He was a police officer for the Oelwein Police Department and then worked with the Waterloo Police Department from 1969 until his retirement in 1990. He also started Cobra Investigations and had the business for more than 10 years. Don was a black belt in karate and taught karate in his martial arts studio.

Survived by: his wife; two daughters, Kim (Jammie) Howard of Buckingham and Christie (Brett) Sapp of Waterloo; six grandchildren, Taylor (Mary) and Madison Howard, and Brittani, Lexi, Jordyn and Caysie Sapp; two great-grandchildren, Eva and Demi Sapp; 10 siblings, Kenneth (Lorna) Barker of Oelwein, Monte (Sue) Barker of Hazleton, David (Annette) Barker, Judith Barker and Pam (Todd) Walters, all of of Oelwein, Bryan (Sherry) Barker of Nevada, Iowa, Bruce (Debbie) Barker of Gypsom, Colo., Hal (Joelyn) Barker of Oelwein, Bobbi (Sherrie) Barker of Canton, Ga., and Cindy (Alan Young) Walters of Waterloo; and numerous special friends, especially Craig Schmidt.

Preceded in death by: his parents; two brothers, Jeffery in infancy, and Timothy; and a sister, Patricia Wagner.

Services: 11 a.m. Friday, March 24, at Parrott & Wood Chapel of Memories, an Overton Family Service, with burial in Mount Olivet Cemetery. Visitation will be from 4 to 7 p.m. today, March 23, at the funeral home.

Memorials: may be directed to the family.

Condolences may be left at www.overtonservice.com.

Don enjoyed shooting guns, camping, going to coffee with his friends and spending time with his family, especially his grandkids. He was the oldest of 13 children and loved being a big brother.