Robert Eugene McMillen, 86, of Sun City passed away November 21, 2018. Born in Edina, Missouri, he served in the US Army in Korea. A retired Mathematics Teacher, he moved to Sun City in 2002. Survived by his wife Rosemary, daughters Rebecca, Mary Jeanne, Letitia, Lisa and Theresa; sons Rob & Christopher; sister Betty; 15 grandchildren and 8 great grandchildren. Daughter Barbara preceded him in death. A Funeral Mass will be held at 10:30 am Monday, December 3, 2018 at St. Joachim & St. Anne Catholic Church, 11625 N. 111th Ave., Sun City, AZ. Interment to follow at the National Memorial Cemetery of Arizona.