Ancestors of David Adelbert Karrer

             /--Francois Piere Karrer b. ABT. 1815 d. 1852
     /--Francis Xavier Karrer b. 6 OCT 1830 d. 22 DEC 1905
     |       |       /--Joseph Karrer b. 1 MAR 1776 d. 20 MAR 1813
     |       \--Marian Karrer b. ABT. 1807 d. UNKNOWN
     |               \--Anna Schnell b. 12 MAR 1776 d. 12 APR 1837
David Adelbert Karrer b. JAN 1861 d. UNKNOWN
     \--Anne Marie Disbrow b. 8 MAY 1836 d. 7 SEP 1913