Father Jacobs was born 5 March 1781 in Diest, Belgium, and died 28 November 1870 in Pressburg. Peter Jacobs was member of the Order of the Society of Jesus (Jesuit Order) and was ordained 4 August 1803.He served the Kamenka Parish from 11 February 1810 to 13 August 1819, and in Astrakhan from 4 February 1820 to 10 November 1820. He continued to serve in Astrakhan in an unofficial capacity until 1824.
- Schnurr, Joseph. Die Kirchen und das Religiöse Leben der Russlanddeutschen - Katholischer Teil (Stuttgart, 1980), p. 316.