User blog comment:MS225/Ruby's Age/@comment-27673963-20171124011016/@comment-27673963-20171124060345

Kypton exploded in 1982. In the Season 2 final it says that krypton eploded 35 years ago. 2017 - 35 = 1982. This puts Samantha at 35 years old. You are right though, Ruby should be roughly 18 or 19. Maybe Reign took years to get here and because she was in hypersleep she didn't age.