Karl Schweiker, a wool weaver (Wollweber), and his wife Maria Magdalena settled in the Volga German colony of Warenburg on 12 May 1767. They are recorded there on the 1767 census in Household No. 36.
The 1767 census records that Karl Schweiker came from the German village of Neustadt in Holstein.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 327.