Looking for information on Jack Harvard Allen. Born: 30 Jul 1920 Dexter(Stoddard County), Missouri. Died: 11 Aug 1993 Riverside(Riverside County), California. First Marriage to my Mother, Mary Masek 21 Feb 1938 Itasca County Minnesota. His Mothers Maiden Name: Sibole. If any children from Second Marriage would be Half Brothers & Sisters to my Sister, His First Child. I have been looking for him since my Mothers death: 17 Jul 1989 Wheaton(DuPage County), Illinois.