Johannes Prasch was born on 29 March 1731 in Orb, Maintz (now Bad-Orb), Hessen. He married there on 11 April 1758 to Susanna Ulrich, the daughter of Johann Ulrich and Barbara Müller. Susanna was born there on 19 October 1730. They arrived in Katharinenstadt on 3 August 1767 where they are listed in Household Number 16. They also came with their young daughter, Anna Maria (born 6 October 1760) who married Andreas Leikam.
This surname is listed as Pracht in the records in Russia.
McGinnis, Sean. The Founding Families of Catharine, Kansas (2007).
Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 279.