I sure would like some help. La Vern is my half sister. Her mother is, Edna May DULING, b. May 01, 1911, m. December 10, 1924, in Lincoln, Lancaster County, Nebraska to my father Robert Martin, Sr. CAMPBELL b. August 17, 1904, in Lincoln, Lancaster County, Nebraska. Divorce December 05, 1927, in Lincoln, Lancaster County, Nebraska. Would like any information on mother or daughter, Thanks Robert M. Campbell, Jr.