5 royals who are friends with other royals, from Prince Harry and former Princess Tessy of Luxembourg, to Queen Elizabeth and Queen Margrethe of Denmark

• Britain’s Queen Elizabeth and Queen Margrethe of Denmark aren’t only bound by the fact that they’re the world’s only reigning female monarchs, but they’re also third cousins
• Both Queen Maxima of the Netherlands and Belgium’s Queen Mathilde married into royalty, and are so close that Queen Mathilde is godmother to her daughter Alexia