Mr. Dimond is the father of Mark Dimond and the husband of Mrs. Dimond. He worked as a lawyer. Mark traveled to First Earth after thinking that his parents died in a plane crash. They are revealed to have survived because Nevva Winter rescued them. After Winter threatens them with death, Mark feels it is best they stay on First Earth. Mark leaves First Earth, never to see his parents again. Alexander Naymeer reveals to Mark that his parents died in the early 1970s in a car wreck.