Philipp Ernst Müller, a mason (Maurer), and his wife Marianna settled in the Volga German colony of Merkel on 28 August 1766. They are recorded there on the 1767 census in Household No. 4.
The 1767 census records that Philipp Ernst Müller came from Riga in Livland (Latvia).
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 120.