Jakob Staab, son of Conrad Staab & Anna Maria Noll, was born 29 May 1740 in Orb, Mainz (now Bad-Orb) in Hessen. He married Magdalena Seipel. Jakob, Magdalena, their infant son Johannes, and Magdalena's mother arrived in Katharinenstadt on 3 August 1767 where they are recorded in Household No. 134.
Johannes Staab, son of Johannes & Magdalena Staab, was born 1 October 1731 in Orb, Mainz. He married Magdalena Wildeish. Johannes and his 9-year-old son Johannes, along with his new wife Maria Magdalena Martin, arrived from Lübeck at the port of Oranienbaum on 12 September 1766 aboard an English frigate under the command of Skipper Adam Beerfeier.
They settled in Katharinenstadt on 3 August 1767 where they are recorded in Household No. 132.
Jakob and Johannes were first cousins, their fathers being brothers.
In 1786, Johannes Staab and his family moved from Katharinenstadt to Saratov.
- 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): Ka054, Ka075, Ka079, Ka111, Mv1186.
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- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #4463.