"Deutschland Heiraten, 1558-1929," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:J4BL-JPL : 11 February 2018), Antonius Ducar and Anna Maria Mueller, 22 Nov 1795; citing Katholisch, Hayna, Pfalz, Bavaria; FHL microfilm 367,598.
"Deutschland Geburten und Taufen, 1558-1898," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NPHM-H5Y : 10 February 2018), Antonio Ducar in entry for Michael Ducar, 01 Mar 1797; citing ; FHL microfilm 367,611.