I started digging on this a little while ago, after I learned that one of the main reasons for President Trump's gag order was because he was calling out the awful things Merchan's wife was saying about him.
I don't have time to do this myself before replying to your post, but check out this site.I sucked it up and got the free account; it has been informative.
https://www.familysearch.org/en/home/portal/
https://www.familysearch.org/search/all-collections/results?q.surname=merchan&q.givenName=lara&q.birthLikePlace=new%20york
These people hide who they are.