Ancestors of Willem Carel Boissevain

                     /--Henri Jean Arnaud Boissevain
             /--Ursul Philip Boissevain  b. 4 NOV 1855 at Amsterdam  d. 7 MAY 1930
             |       \--Petronella Drost
Willem Carel Boissevain  b. 30 DEC 1893 at Groningen  d. 28 DEC 1978
             |               /--Willem Carel Momma  b. 17 JUN 1781 at Amsterdam, Netherlands  d. 10 DEC 1851
             |       /--Barent Johannes Momma  b. 28 NOV 1811 at Amsterdam, Netherlands  d. 28 NOV 1871
             |       |       \--Anna Elisabeth Cramer  b. 13 JUN 1784 at Amsterdam, Netherlands  d. 7 JUN 1869
             \--Wilhelmina Carolina Momma  b. 6 JUN 1859 at Amsterdam, Netherlands  d. 30 SEP 1921
                     |       /--Isaac Ernst De Petersen
                     \--Elisabeth Jacoba De Petersen  b. 8 MAY 1819 at Amsterdam, Netherlands  d. 18 OCT 1885
                             \--Elisabeth Clasina Voombergh