i found this marriage dispensation
https://familysearch.org/pal:/MM9.3.1/TH-1-18413-1697-38?cc=1874591&wc=…
it says they are second cousins once removed. it doesn't say how though, but i do know that francisca lerma is the 'natural' child of juana carrillo. does anyone here know who juana carrillo parents are? i might be able to figure out they related through that.