Front: Grand Duke Henri, Grand Duke Jean, Grand Duchess Maria-Teresa. Back Antonius Willms holding Zeno, Princess Marie-Gabrielle de Nassau, and Prince Jean. Cour grand-ducale/Cyril Moreau/Bestimage

Front: Grand Duke Henri, Grand Duke Jean, Grand Duchess Maria-Teresa. Back Antonius Willms holding Zeno, Princess Marie-Gabrielle de Nassau, and Prince Jean. Cour grand-ducale/Cyril Moreau/Bestimage

The court issued the snap on Wednesday of Zeno, first and only son of Princess Marie-Gabrielle de Nassau, who was born on 5 June 2018.

The princess is the first child of Prince Jean, brother to Grand Duke Henri. She was pictured with her partner, Antonius Willms, and father, along with the Grand Ducal couple and Grand Duke Jean.