In 1981, my parents got married in Mexico then they came to the United States where they came to make a life for themselves. They two kids and then my father went to Mexico. He later returned in 1984, just to get my mom pregnant and this time he left for good. My question that I want answer is are they still married regardless of their past history together? If one of my parents should happened to get married; Is that marriage legal? Now in present date my father will possibly want to remarry again since the death of his second wife. I also want to know if my mom is entitled to any back pay child support or alimony for the 3 kids he fathered. If so, how can she go about doing that?