ancestry.com lists my 7th great grandparents names as antonio posada and maria quiros. however in family search area they lists for hints as a antonio pacheco and maria quiros. hints are located for area of morela, guanajuato, mexico. the child is my 6th great grandparent known as maria manuela posada who had married josef martin guillermo. or did maria quiros my 7th great grandma also marries a man named antonio pacheco afterwards?
Maria Antonia Quiros
Josef Martin Guillermo ML, son of Josef Nicasio Guillermo y Maria de la Candelaria originally from Bocas, San Luis Potosi, (later takes on the name of Santana born possibly circa 1758 married 19 OCT 1780 in San Miguel,Mexquitic,San Luis Potosi,Mexico to Maria Antonia Quiros Mestiza originally from Mexquitic de Carmona born possibly around 1760 daughter of Antonio Trinidad Posadas y Maria Antonia Quiros.
NOTE: There are matching people for parents from Mexico City though not likely and the quiros Pacheco whose children are born in Guanajuato possibly not a match.
Padrinos to the wedding are: Josef Andres Arellano y Maria Victoria Santa Anna
Same name couples are always a huge problem. One has to gather sources, complete names, dates, locations to be able to judge if they are the same couple. Hope this helps. Good luck Stephanie.