Funeral services for Ivadell Wiertzema, 85, of Jefferson will be held Friday, August 3rd at 10:30 AM at Hastings Funeral Home. Burial is in the Jefferson Cemetery. Visitation will be at 9 AM Friday at the funeral home. Surviving are her son Mark Wiertzema of Milton, Ontario, daughter-in-law Mary Ann Wiertzema of Waverly, three grandchildren and five great grandchildren. Memorials may be made in her name and left at Hastings Funeral Home.