+--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 ?
+--Robert Elmer JACOB (3 DEC 1938-)
| | +--Alexander GROSS (-BEF 1921)
| +--Emma Marie GROSS (27 SEP 1898-25 MAY 1976)
| +--Dorthea LEITKE (-BEF 1921)
Jay Everett LUSK (20 NOV 1962-)
+--Carol Loarine COEN (3 JAN 1940-)