Wedding Meme: Captain Princess Edition

Stolen once again from the lovely joonscribble. This meme is lovely; I get to put all my headcanon to good use.

( You are cordially invited to the wedding of Her Serene Highness Princess Theresa Gustafa Bonaventura of Lichtenstein, Countess of Spondheim, and Protector-Extraordinary of the Cantons of Nim, and Captain Martin Charles Crieff. )