The dates must be wrong with Dionne and Ransom....if not then they're 13 and 16 when they get married. the year after the Dance, then when she's divorced from Brien in 2400, she's been married to him for 40 years, and she's 63, still having children after that? which makes Russ 115.
Bryan's the one who mated with a Ceriton, but his mate and thier daughters had to leave to go back to Ceriton, so he married Lois, and had the 2 sets of twins, and Brien II