Jon Grinsberg was a Human. He was born in Mexico City, Mexico. As the son of Chris Tezber Raymond and Kiki Morris Raymond, he was the great-great-great grandchild of Clare and Donald Raymond. Joe was his brother. (TNG-R: "The Neutral Zone", okudagram)
The name of this character was never mentioned in dialog; his name came from the remastered Clare Raymond family tree. The year of his death was illegible.