Beloved Husband of Marjorie A. (Williamson) Muhl. Loving Father of Margaret A. (Vince) Karlik. Precious Pap of Vincent Frederick and Kayla Diane Karlik. Brother of Elizabeth (Matthew) Troha and the late Margaret Kaczmarski. Also many Nieces , Nephews and Friends. Fred was a WWII US Army Veteran , participating in the Liberation of the Phillipines. He also worked for 39 years for Pittsburgh Railways and also the Port Authority of Allgheny County. He was a member of the Catholic War Veterans , St. Andrews Post.