Joseph de la Garza Falcon was the son of Sgt. Major Blas de la Garza Falcon and Teresa Guerrero.
He requested a dispensation to marry Isabel de Arellano in 1694. Dispensation source: Guerra et al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.137.
He married India borrada basal.
Joseph Blas de la Garza married Antonia Garcia de Sepulveda.
Nicolasa de la Garza married Mathias de los Santos Coy.
Petronila married Ildefonso Garcia.
Ana Maria de la Garza married Lucas de la Garza.