Timeline: Weiss, Sigfried

CousinsConnection
Building a Family Tree for all variations of
Kitces, Keces, Keses, Kitzes, Ketzis, Kitzis, Kicis, Kitsis, Chitis, and Кицис
As well as
Charest, Pearson, Gordon, Westheimer, Greenwald, Simon, Rohr, Dunsky