+--Robert JACOB
+--Robert Ephram JACOB (6 DEC 1844-13 NOV 1912)
| +--Amy LIBERMAN
+--Fredrick Leopold JACOB (5 FEB 1889-25 JUN 1962)
| | +--George FREIMAN
| +--Marie FREIMAN (5 JUN 1864-26 MAR 1941)
| +--Eva ?
Martha Emilie JACOB (29 APR 1927-)
| +--Alexander GROSS (-BEF 1921)
+--Emma Marie GROSS (27 SEP 1898-25 MAY 1976)
+--Dorthea LEITKE (-BEF 1921)