The Roots of the Kristianpoller and the Biegeleisen Families
The Kristianpoller and the Biegeleisen families are related to the main Ashkenazi rabbinical dynasties: BABAD, Shor, Halevi-Horowitz, Isserlein, Katzenellenbogen-Wahl, Lipschutz, Luria, RASHI, Shapira, Treves.
RASHI Outline Tree
Isserlein - Outline Tree
Shor - Outline Tree
Horowitz - Outline Tree
Please note that [numbers] indicate inter-family marriage, and the descendants are printed under the 1st ancestor only.
It is well known that RASHI was related to King David, but not all the names are commonly accepted. The links below suggest some suggestions.
http://www.pedhatzur.net/ - click the Sarah Kahana-Shapira Family Tree link to see a short description (Hebrew) of the main ancestors
http://www.davidicdynasty.org/
Un Broken Chain - Dr. N. Rosenstein