Robert Justman Raymond was a Human. As the son of Andrew Probert Raymond and Monica Clee Raymond, he was the great-great-great-great-great-great-great-great grandchild of Clare and Donald Raymond. His brothers were Thomas and James. (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. His name was an in-joke reference to producer Robert Justman.