Robert W. Sadler, 86, of Ulm, a custom wood worker, died of diabetic related complications on Monday, January 21, 2013 at a local hospital.A memorial service will be held on Thursday, January 31, 2013 at 2:00 p.m. at Ulm Bible Church, 14 Ulm Vaughn Road, Ulm, Montana 59485.Cremation has taken place.Schnider Funeral Home is handling arrangements.Robert is survived by his wife, Judith L. Sadler of Ulm; daughters Kim M. Ullrich of Ulm and Sandra Penny of Atlanta, GA; and sons John Sadler of Lancaster, CA and Dennis Sadler of Phoenix, AZ; and numerous grandchildren and great-grandchildren.He was preceded in death by his daughter, Debra Sadler Sheridan.