Johann Georg Brettman, son of Philipp Britmann, was baptized 9 September 1726 in Hailer. On 29 November 1753 he married in Hailer to Anna Catharina Leysler, daughter of Peter Leysler from Lutzelhausen. The baptisms of three children of Johann Georg Brettmann & Anna Catharina Leysler are recorded in the parish register of Hailer: (1) Johann Jacob, baptized 15 July 1754; (2) Sophia Margaretha, baptized 24 July 1758, died 19 June 1759; and (3) Johann Conrad, baptized 28 June 1761.
Johann Georg Bretmann and his family arrived from Lübeck at the port of Oranienbaum on 4 July 1766 aboard a Russian packet-boat under the command of Lieutenant Pyotr Malinkov.
They settled in the Volga German colony of Moor on 18 June 1767 and are recorded there on the 1767 census in Household No. 39.
The Oranienbaum passenger list records that Georg Bretmann was a stonemason while the 1767 census records that he was a farmer.
The 1767 census records that Johann Georg Bretmann came from the German district of Isenburg.
- 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): Mo40, Mo55.
- Parish register of Hailer (via Archion.de).
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 165.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #99.