Lot
Parents: Haran.
Siblings: Possibly his uncle Nahor's wife, Milcah, and her sister, Iscah.
Married: Lot's wife is probably the most well known unnamed person in the Bible. She became a pillar of salt when she looked back at Sodom.
Children: His two daughters are referred to simply as his "firstborn" and his "younger." He also had children by them.
Other: He fled Sodom and eventually went to live in "the mountain."