Kenneth E. Wiedel Sr., 84, who spent 35 years at the Northwest Federal Credit Union in Langley before retiring as general manager in the early 1980s, died July 30 at Holy Cross Hospital in Silver Spring. He had pneumonia.

Mr. Wiedel, a Silver Spring resident, was a past volunteer tax accountant at H&R Block in Wheaton.

He was a member and usher at St. John the Baptist Catholic Church in Silver Spring, where he was involved in many ministries. He was a member of the Knights of Columbus and did volunteer work at CHI Centers, which provides services for developmentally disabled people.

Kenneth Eugene Wiedel was born in Hebron, Neb., and moved to the Washington area as a teenager. He was a 1944 graduate of St. Anthony’s High School in the District. He graduated from Strayer University in Washington.

He was a Navy veteran of World War II.

His first wife, Gloria Dement, whom he married in 1949, died in 1961.

Survivors include his wife of 49 years, Lucille Brassard Wiedel of Silver Spring; six children from his first marriage, Kenneth Wiedel Jr. of Bel Air, Md., Sharon Barley of Union Bridge, Md., Stephanie Durkin and Kurt Wiedel, both of Silver Spring, Sandra Cane of Ashton and Shelley Taylor of Sterling; a son from his second marriage, Kevin Wiedel of Fredericksburg; three sisters, Theresa Marker of Edgewater, Mary Doyle of Mitchellville and Barbara Robinson of Cedar Park, Tex.; a brother, Joseph Wiedel of Louisa, Va.; 15 grandchildren; and five great-grandchildren.