Johann Valentin Jäckel was born in Wald-Michelbach (west of Weinheim in Hessen) on 19 April 1720. He married in Wald-Michelbach on 17 January 1751 to Anna Margaretha Hild. She had been born on 3 September 1725. They immigrated to Denmark (Schleswig-Holstein).
Anna Margaretha died in either Denmark or in route to Russia because on 16 April 1766, Valentin married Barbara Heizenröder in Lübeck before boarding the ship to sail for Russia.
The family settled in Beideck.
Lang, Gerhard. German Colonists of Denmark on the Volga.
Mai, Brent Alan and Dona Reeves-Marquardt, German Migration to the Russian Volga (1764-1767) (Lincoln, NE: American Historical Society of Germans from Russia, 2003): 16.