William W. Barthel, 70, of Deer Park; cherished son of the late William W. and Elsie Barthel; beloved husband of Sandy (nee Baldwin); loving father of Lara (Brian) Cavanaugh and Will Barthel; dear brother of Janice, Mary Lou (Larry) Kolbus, Virginia (Jim) Daly and brother-in-law of Nancy (Lee), Joyce (Tom), Donna (Jim) and the late Rusty; fond uncle to many. William was a proud veteran of the United States Army. Visitation Friday, August 7 from 4 - 9 p.m. at Kolbus-John V. May Funeral Home, 6857 W. Higgins Ave., Chicago. Funeral service Saturday 11 a.m. at the funeral home. Interment Ridgewood Cemetery. In lieu of flowers, please direct memorial contributions to Leukemia Research Foundation , 191 Waukegan Road, Suite 105, Northfield, Illinois 60093. For more information 773.774.3232.