I don't see a shortcut for you. I think what you will need to do is the following:
1) Go to familysearch.com
2) Punch in Ursula Liera
3) Note the details of the microfiche for her record
4) Get the microfiche ordered to the nearest LDS to you
5) Find the record and hopefully in it you will see the names of Ursula's parents. The Marriage Information record, as opposed to the Marriage itself, is the record that typically has a lot of good information. Pay attention to what the three witnesses have to write, especially if there is anything out of the ordinary.
6) SInce you now have that microfiche, go through it for other records of Ursula and her relatives that you might find which were not necessarily itemized in the list I sent you.