And at the time of the Great War, the monarchs of Britain, Germany and Russia were all first cousins.

This photo is particularly striking:

https://i.redditmedia.com/2ZKJnNVW1-Mn41TE8dqXFMten1_L6gBZ7I...

One small details from the months before the war: No one invited the greater family to the funeral of the murdered arch-duke.

Another detail near the end of the war: King George wanted to give his cousin Tsar Nicholas asylum after the Bolshevik Revolution but chose not to for political reasons.

Family eh?