Jonathan Hart (William E Donlon) beloved husband and father, age 63, of Hales Corners, WI, went home to be with the Lord unexpectedly on Saturday, April 22, 2017, at Aurora St Luke's Medical Center, Milwaukee.  He was born in Sheboygan on July 26, 1953, the son of the George and Dolores Donlon.   He was united in marriage with Cindy Heim on April 28, 1984.  Jonathan attended St. Peter Claver Catholic School and graduated from South High School in 1972.  He continued his education at UW-Sheboygan.Jonathan was an active member of Destiny Christian Center and was a devout follower of Jesus Christ.   He enjoyed spending time with his family, music and high-end audio, playing guitar, photography, German, Italian and British sports cars, and sci-fi movies.  He is survived by his loving wife Cindy, son Cory, one sister and four brothers - Carol, Mark (Jane), David (Kathy) Donlon of Sheboygan, and Christopher (Connie) Donlon of Elkhart Lake and Mike (Wendy) Donlon of Newton.  He is also survived by Elaine Heim, mother-in-law, and Cindy's brothers and sisters, and by many nieces, nephews, other relatives and friends.  He was preceded in death by his parents, his brother Gary, and his sister Kathleen.  Visitation Sunday, May 7, 2017, 1 PM to 3 PM, at the funeral home.  Memorial service at 3 PM. A memorial fund is being established in Jonathan's name.