I am a descendent of this family. Thomas was my 10th great grandfather. I wanted to let you know more information on William. They are mulatto's. Not Black, FREE white Indians, of the Saponi Tribe. If you want to know more exacts, look up the information on Gibson Gibson 1640. (Va), looks like his father died in Scotland, his father returned there often. He is the key to the information about this family. There is loads of information about this family