Johann Jacob Müller (son of Georg Müller) was baptized in Langendiebach on 28 January 1714. Gertraud Emmerich (daughter of Elias and Susanna Emmerich) was baptized in Langendiebach on 17 March 1720. Johann Jacob and Gertraud married in Langendiebach on 17 March 1745. They had eight children, all born and baptized in Langendiebach: Johann Conrad, born 2 June, baptized 5 June 1746 (died 5 September 1746); Anna Margareatha, born 16 June, baptized 18 June 1747 (died 10 July 1747); Gertraud, born 6 August, baptized 12 August 1748; Maria Catharina, born 11 June, baptized 14 June 1750; Jost, born 12 August, baptized 13 August 1752; Christoffel, born 15 August, baptized 17 August 1755; Caspar, born 1 December, baptized 4 December 1759 (died 9 February 1761); and Johannes, born and baptized 5 August 1764 (died 18 August 1764).
Johann Jacob's wife Gertraud died in Langendiebach on 18 August 1764. Johann Jacob and his four surviving children arrived on Russia on 8 August 1766. Christoffel and Maria Catharina are reported on the Kutter First Settler's List as orphans in the household of Georg Friedrich Müller, household #32.
- Decker, Klaus-Peter. Die Auswanderung von 1766/67 aus der Grafschaft Ysenburg-Büdingen nach Russland, p. 155
- Parish records of Langendiebach, HanauLand, Archive of the Evangelical Church of Kurhessen-Waldeck in Kassel, on Archion.de
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010) p. 211
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): p. 484
