Bergenfeld Chayes, Cygelfarb Feder, Feldmaus, Feller Genislow, Golden, Goldhirsch, Greenberg, Grossman Janonis Lasser Mathews, Matijosaitis, Mattis, Meislik Pilpel Rocha, Rockyte Schechner, Spierer, Szapira, Szenson Weinberg, Williams Yaary, Yoksas Ziegler
Portions of the family come from Tluste, Galicia (modern Tolstoye, Ukraine); Jurbarkas and Kaunas, Lithuania; and Opoczno, Poland.
Public versions of our tree are available at WorldConnect and GenCircles (same data, different ways of displaying it).
The detailed family tree is only available to family members and protected by password.
If you wish information on our tree, please contact richard@alumni.caltech.edu