Colladay Family Website Here's a site run by my 7th cousins 1 time removed. Our common ancestors are Johann Jacob Colladay and Catharina Julianna Rubenkam. Rudenberg Family List  Web site maintained by my 2nd (or 3rd??) cousin Lucia Ruedenberg Wright. Our grandfathers were cousins. Hermann Minkowski My grandmother's father. Hermann Minkowski More pictures Minkowski Crater There's a crater on the moon named after Hermann Minkowski, my great-grandfather. Read all about it here. Rudolf Minkowski Hermann's nephew Rudolf Minkowski More info on his astronomic work Rudolf Minkowski An extensive biography Klaus Ruedenberg  Klaus is Lucia's father. Freidrich Rudenberg  My Grandfather's brother. Ruins of "Castle Ruedenberg"  see for yourself  Rudenbergs from Hannover  names and fates of Jewish victims of the national socialism from Hannover  Friedrich Rudenberg Info on  Friedrich. He was my grandfather's brother.  Oscar Minkowski Bio on Oscar - my great-grandfather's brother  Oscar Minkowski  Info on a research prize named in Oscar's honor