Johann Georg Brettman was baptized 9 September 1726 in Hailer, Hesse. He was the son of Philipp Britmann. On 29 November 1753 he married Anna Catharina Leysler in Hailer, Hesse. She was born about 1733 in Lutzelhausen. She was the daughter of Peter Leysler. Before leaving Hailer, Johann Georg Brettmann and Anna Catharina Leysler had three children: Johann Jacob baptized 15 July 1754, Sophia Margaretha baptized 24 July 1758 (died 19 June 1759) and Johann Conrad baptized 28 June 1761.
They are listed on the passenger list for the ship under the command of Peter Malinkov 4 July 1766. Georg and Katharina arrived in Moor 18 June 1766 and are reported there in First Settler's List Family #39.
Anna Catharina Brettmann died 1 January 1809 in Moor. Her age is listed as 78 years.
- Parish records, including family book, of Hailer on Archion.de
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): p. 99
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Nordost-Institute, 2005): p. 165
- Moor death records Fond 174-1-1a