To identify the remains of the Romanovs found in a mass grave, Prince Philip provides a DNA sample, as he is a direct descendant of Tsarina Alexandra's sister.
The real Ipatiev House was demolished in 1977 on orders from the Politburo, which claimed the site lacked "historical significance" to prevent it from becoming a shrine.
While the family perished, their dog Joy survived the massacre and eventually lived out his days in Windsor, England. Discussion Starters for Your Post:
The parallel between the "stamps" scene in the beginning and Philip’s hobby-shaming later on adds a layer of continuity many fans missed.