Johann’s parents were Georg Fuhrmann and Afra. Johann was a baptismal sponsor in 1711 for Johann, son of Matthias Fuhrmann and Katharine of Bursingerhof in Binningen.
Albert Emmerich provided Johann’s birthplace and birth date, the location of his marriage to Katharine Deusen, and his date of death. The remaining information is from the records of St. Kastor Catholic Church in Forst.

Source: Records of St. Kastor Catholic Church in Forst.
Johann Faber of Brohl and Peter Pauli of Brohl were witnesses to the wedding of Johann and Maria Margaretha. She was a baptismal sponsor in 1711 for Maria Margaretha, daughter of Johann Schweitzer and Maria of Binningen.

Source: Records of St. Kastor Catholic Church in Forst and of St. Remigius and St. Maximus Catholic Church in Binningen; Manfred Ruettgers, who provided Katharine’s connection with the family of Johann Anton Deusen and Anna Maria Moentenich; and Albert Emmerich of Cremlinger, Germany who provided the date of her death.