Passed away Wednesday morning, April 26, 2017 at his home. Ralph was born July 27, 1939 in Kalamazoo the son of the late Harry and Della (Cosgrove) Rowlson. Prior to his retirement he was employed with General Motors for over 35 years until his retirement in 1999. Ralph enjoyed watching his grandchildren's various sports activities and was an avid Detroit Tigers, Red Wings, and Michigan fan. On June 27, 1964 he was united in marriage to his loving wife Darlene who preceded him in death on February 11, 2009. He was also preceded in death by a son-in-law, Jim Jaryszak; and several brothers and sisters. Ralph is survived by his children, Renae Jaryszak, Ronda (Kevin) Krebs, Randy (Michelle) Rowlson; 6 grandchildren; and several nieces and nephews. A memorial gathering for family and friends will be held from 1-3pm and 6-8pm on Monday, May 1 at the Langeland Family Funeral Homes, Portage Chapel, 411 E. Centre. Memorials may be directed to Great Lakes Hospice. To view Ralph's personalized guestbook please visit www.langelands.com.