CLEAR LAKE — Jon Matson and Linda (Purviance) Matson of Clear Lake, Iowa were married March 17, 1963 at Zion Lutheran Church, in Clear Lake, IA. The couple will celebrate their 55th wedding anniversary. The couple's children and their spouses are Shelly (Randy) Knudson; Cedar Rapids, IA., Mindy (Tim) Zaruba; Chisago City, Mn. , Marcy (David) Bitner; O'Fallon, Ill.. They have 7 grandchildren.