Laurentius Ahlbaum was a Swedish pastor who served the congregation in Beideck from 1771 to 1778 and Hussenbach from 1778-1782. In 1780, the Dietel parish was added to his charge. After leaving Dietel in 1782, he was affiliated with the parish of Grimm until 1786, and from there he went to the Rosenheim parish from 1786 to 1788. He died in Saratov in 1788.
- Schnurr, Joseph. Die Kirchen und das religiöse Leben der Russlanddeutschen – Evangelischer Teil (Stuttgart: AER Verlag Landsmannschaft der Deutschen aus Rußland, 1978): 120.