Her baptismal sponsors were Peter Lauxen, single man of Landkern, and Katharine Gertrud May of Greimersburg. Johann Peter Lauxen was the brother of Sophie. He married Katharine Gertrud May of Greimersburg, daughter of Johann May and Eva Turck, in 1780. Katharine Gertrud May was the sister of Matthias Heucher’s second wife, Anna Maria May, who had died by mid 1771.