Margarita de Montemayor was the daughter of Miguel Rodriguez de Montemayor and Luisa Garcia de Quintanilla.
She requested a dispensation to marry Nicolas Antonio Cerna in 1731. Dispensation source: Guerra et al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.174.
Leonardo Cerna married Luisa Gonzalez Martinez.
Nicolas Antonio Cerna married Juana de Aguirre.