During the Korean Conflict, from November 1951 until October 1953, John served in the United States Army in Germany with Combat Engineers.
On February 9, 1954 John was united in marriage with Colette Muhlbauer at Vail. After their marriage he worked with road construction for five years, and in 1960 began farming. From 1982 to 1990 he was a Pioneer Seed Corn sales representative. John was a member of the Sacred Heart Parish in Templeton, the Knights of Columbus, and the Veterans of Foreign Wars in Manning. After a short illness John died on Friday, February 5, 1993 at the home of his daughter in Carroll at the age of 63 years and 14 days.
He was preceded in death by his father; by a brother, Bernard Willenborg; and by two
sisters: Dorothy Drake and Mary Ann Hugeback.
Survivors included his wife, Colette, of Templeton; his children: Lynn Willenborg and his
wife, Sue, of Halbur; Eileen Drees, of Carroll; Allen Willenborg, of Carroll; and Joan and
her husband, Rick Wunschel, of Wall Lake; 10 grandchildren; his mother, Mayme
Willenborg, of Templeton; a brother, Harold Willenborg and his wife, Elsie, of Carroll; his
mother-in-slaw, Margaret Muhlbauer, of Manilla; two brothers-in-law: Joseph Drake, of
Bayard and Joseph Hugeback, Jr. and his wife, Jean, of Manning; nieces, nephews, other
relatives and friends.