Wiliam Theiss Raymond was a Human. As the son of Scott Senofonte Raymond and Hannah Shearer Raymond, he was the great-great-great-great-great-great-great-great grandchild of Clare and Donald Raymond. His brother was Robert. (TNG-R: "The Neutral Zone", okudagram)
This character was only mentioned in writing.
The name came from the remastered
Clare Raymond family tree.