Looking for the Torres Sisters Calexico Loma Linda Mother Ramona

My grandfather Jose Trinidad Torres lived in Mexicali, Baja California. He had three daughters with a woman named Ramona. We do not know her last name. We believe that all three daughters were born in Calexico, CA. We believe the names of his three daughters are Teresa, Soledad and Gloria. We also have been told that they had moved to Loma Linda, CA. I would love to find them. My father has been looking for them for ever. Please contact Me.