Prince Felix de Nassau of Luxembourg and his wife Claire looked a stunning pair, with claire in an emerald coat with a matching clutch and a headband that may have been a nod to the bride's own headwear.
Prince Christian of Hanover and his wife Princess Alessandra of Osma looked gorgeous as usual. Alessandra wore a printed silk-blend midi dress by Andrew Gn, a purple Mimoki Olympe headband, and light purple Ursula Mascaro heels. She carried a Yliana Yepez Gaia clutch.
Prince Charles-Henri de Lobkowicz and his mother Princess Edouard De Lobkowicz represented the House of Bourbon-Palma, a branch of the Spanish royal family. Charles-Henri's father was Prince Edouard de Lobkowicz, an investment banker who was a member of the House of Lobkowicz, a Czech noble family.