Prior to 1699 the names of Johann Michel and Madeline Byerlin do not appear in the church registers of Gambhurst, Germany. They first appear on June 16, 1699 with the baptism of their son Johanne Webre. They appear regularly thereafter, in Gambhurst, with the entries of the baptisms of their later children (as follows):
Joannis Jacobus Webre baptized on March 12, 1702
Christina Webre was baptized in 1708
Francisca Webre was baptized on January 10, 1710
Georgius Webre was baptized on March 28, 1713
Catharina Webre was baptized on November 9, 1716
