In 1789, Philipp, Johannes, and Adam Borger moved from Beideck to Warenburg along with their step-father Heinrich Götz.
The 1798 census of Stahl am Tarlyk records Georg Philipp Borger from Warenburg in Household No. St17.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga: Economy, Population, and Agriculture (Lincoln, NE: American Historical Society of Germans from Russia, 1999): St17, Wr018, Mv0200.