Complex sentence: His first wife, Muriel Buttling, passed away in 1947, and his two sons, George W. Anderson III and Thomas Patrick Anderson (who flew more than 200 combat missions in Vietnam) are also deceased.
Split into simpler sentences: His first wife, Muriel Buttling, passed away in 1947. His two sons, George W. Anderson III and Thomas Patrick Anderson (who flew more than 200 combat missions in Vietnam) are also deceased.