Source: Manfred Ruettgers. Source of his birth date, baptismal information, and the information about his possible baptismal sponsorship in 1698: Records of St. Martin and St. Severus Catholic Church in Muenstermaifeld.
His baptismal sponsors were two single persons, Jacob Baurman and Elisabeth Henn, [the daughter of Johann Henn and Maria of Keldung who later married the child’s half-brother Johann Ackermann].