NameEster Mertz 
Birth31 July 1776
Parent-Proof notes for Ester Mertz
Baptized at Mertz Church 16 Mar 1777
I found a baptism of Jacob Bieber and wife Ester of son Wilhelm with Philip and Catharina mertz as sponsors. Is this their daughter?
Discrepant Facts notes for Ester Mertz
Her birth date is just 45 days after her sister, the record must be wrong for one or the other