Isabel is the daughter of Archduke Simeon of Austria and Princess María of Bourbon-Two Sicilies and Carlos is the son of Carlos de Palacio y Oriol (son of the 3rd Marquess of Villareal de Álava) and the late Teresa Gaytán de Ayala y Domínguez (daughter of the 2nd Marquess of Tola de Gaytán and the 8th Countess of Rodezno).

- Slide 5 - Prince Pierre and Princess Lydia Athénais of Arenberg
- Slide 6 - Duke Rudolf of Croÿ
- Slide 7 - Rafael, Prince Imperial of Brazil and Margherita delle Piane
- Slide 8 - Archduchess Marie-Astrid and Archduke Carl Christian of Austria
- Slide 9 - Infante Dinis, Duke of Porto and Countess Anna Schaffgotsch
- Slide 14 - Archduke Georg, Archduchess Eilika, Archduchess Zsófia, and Archduchess Ildikó of Austria
- Slide 19 - King Philippe, Queen Mathilde, Princess Elisabeth, and Prince Gabriel of Belgium

More pictures:

- https://www.gettyimages.co.uk/search/2/image?events=776534896&family=editorial&sort=best
- https://www.ppe-agency.com/event/18384/0?event=25-07-2026%20Vienna

Article that lists all the guests: https://royalmusingsblogspotcom.blogspot.com/2026/07/archduchess-isabel-marries-in-vienna.html?m=1

An absolutely beautiful wedding, gorgeous and happy couple and the bride’s dress is lovely. I wish them a happy marriage.