Johann Leonhard Legler, son of Hanns Joerg & Maria Magdalena Legler, was born 25 January 1707 in Weiler, Württemberg. He married Maria Elisabeth (surname unknown) - 20 years his younger - and they had a number of children. The family moved to Denmark (now Schleswig-Holstein) where they settled on 8 November 1764 in the colony of Westscheide.
They immigrated to Russia, arriving in Reinwald on 14 July 1766 where they are recorded on the 1767 Census in Household No. 8.
- Clausen, Otto. Chronik der Heide- und Moorkolonisation im Herzogtum Schleswig, 1760-1765 (Husum: Husum Druck- und Verlagsgesellschaft, 1981): 829.
- LDS International Film No. 1184767.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 31.