Dr. Colwell is survived by a daughter , Nancy Colwell Coronado of Benicia , Calif. ; three sons , Dr. Arthur , of Lakeport , Calif. , Dr. John , of Ann Arbor , Mich. , and Robert , of Vienna , Va. ; a sister , Arlene Tallman of Turlock , Calif. ; a brother , Delbert , of Boise , Idaho ; and seven grandchildren .