Francisco Javier Perez de la Garza was the son of Juan Perez de la Garza and Maria Cantu.
He requested a dispensation to marry Maria Guadalupe de la Garza in 1730. Dispensation source: Guerra et al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.89.
Maria Josefa de la Garza married Joseph Francisco Treviño.