Ancestors of Brian Orrville Mock

             /--Donald Mock
Brian Orrville Mock
             |               /--Samuel Jacob Tennis  b. 10 MAR 1879 at West Hanover Twp., Dauphin Co., PA  d. 13 APR 1966
             |       /--Jacob Samuel Tennis  b. 1 JAN 1913 at South Annville Twp., Lebanon Co., PA  d. 27 JAN 1992
             |       |       \--Cora Gingrich Ebersole  b. 28 SEP 1883 at N. Annville Twp., Lebanon Co., PA  d. 27 OCT 1971
             \--Miriam Esther Tennis
                     |       /--Daniel Zimmerman Hertzler  b. 10 MAR 1875 at Monroe Twp., Cumberland Co., PA  d. 18 MAR 1961
                     \--Mabel Ella Hertzler  b. 5 JUL 1917 at Camp Hill, Cumberland Co., PA  d. 31 DEC 1998
                             \--Ella Miller Zimmerman  b. 25 DEC 1876 at Green Lane Farms, York Co., PA  d. 1 AUG 1947