Michael Brown Raymond was a Human. As the son of Chris Payne Raymond and Ana Barredo Raymond, he was the great-great-great-great-great grandchild of Clare and Donald Raymond. He was born in New Berlin, Luna. His brother was Max. (TNG-R: "The Neutral Zone", okudagram)
The name of this character was never mentioned in dialog; the name came from the remastered Clare Raymond family tree.