Ancestors of Mark Dennis O'Bryan

             /--Robert Leroy O'Bryan  b. 23 APR 1921 at Sioux City, Woodbury Co., IA  d. 18 JUN 2007
Mark Dennis O'Bryan
             |       /--Everrette Reed Muma  b. 28 OCT 1890 at Holstein, Ida County, Iowa  d. 4 JUN 1934 =>
             \--Lorraine Mary Muma  b. 26 JUN 1924 at Sioux City, Woodbury Co., IA  d. 8 OCT 2002
                     \--Blanche Marie Pruvot  b. 6 OCT 1891 at Iowa, USA  d. 8 MAY 1978