I think my family is the one your looking for. We just had a family reunion in may for Gregoria Esparza. IT was held in San Antonio TX. IF you would like the family tree I could send it to you. You can get more information at the Institute of Texas Culture in San Antonio. His life is documented there as well as his accounts of the battle at the alamo. I think they have it there. There are many relatives that were survivors of Gregorio. iF you want some more info I would be glad to help you out. I also did a family history paper in highschool about the whole ordeal. Just let me know!