|Belén and Carlos.|
|Délia and Marc.|
In France, Prince Marc of Croÿ and Délia de Cossé-Brissac celebrated their religious marriage at Église Saint-Vincent de Brissac in Maine-et-Loire. Prince Marc of Croÿ (b.1992) is the third child of Rudolf, Duke von Croÿ (b.1955), and his late wife Countess Alexandra Miloradovich (1960-2015), who wed in 1987. Délia de Cossé-Brissac (b.1998) is the third child of Charles-André, Duc de Brissac (b.1962) and his wife Countess Larissa Széchényi de Sárvár-Felsövidek (b.1967), who wed in 1993. Prince Marc and Princess Délia of Croÿ were civilly married on 19 December 2020 at Dülmen.
Princess Délia of Croÿ (née de Cossé-Brissac) and Don Carlos Fitz-James Stuart y de Solis, Conde de Osorno, are fifth cousins. They are descendants of Count Pál Széchényi de Sárvár-Felsövidék (1789-1871) and Countess Emilie Zichy-Ferraris de Zich et Vásonkeö (1803-1866).