Juan de Alba and Antonia Marin

Does anyone have any information on Juan de Alba and Antonia Marin? I think Juan de Alba and Antonia Marin would've married around 1740-1750. They are the parents of my 7th Great Grandfather Cipriano de Alba:
https://familysearch.org/pal:/MM9.3.1/TH-267-12044-36070-59?cc=1502404&wc=M99K-S72:n1585049302

He married my 7th Great Grandmother Paula Garcia y Alonso in Encarnacion de Diaz on 20 Jan 1779:
https://familysearch.org/pal:/MM9.3.1/TH-1-18564-60752-12?cc=1874591&wc=M99L-XDG:486356036

Any information that anyone might have on Juan de Alba and Antonia Marin would be great.

Thanks,

Christopher de Cuellar