Archduke Karl of Austria was accompanied by many members of the All Highest House at the mass to commemorate the 100th anniversary of the death of Blessed Karl of Austria, April 1, 2022. The mass took place in the Cathedral of Funchal on the island of Madeira, and was celebrated by the Primate of Hungary, His Eminence Cardinal Péter Erdő, Archbishop of Esztergom-Budapest.

Photograph from Archduke Eduart Twitter feed

Among those present were:
Crown Prince Ferdinand
Archduke Georg and Archduchess Georg (born duchess of Oldenburg)
Archduchess Walburga and Count Carl Douglas
Archduchess Andrea
Archduchess Gabriela
Archduke Lorenz and Archduchess Lorenz (born princess of Belgium)
Archduke Gerhard
Archduke Martin
Archduke Bartholomaus
Archduke Emmanuel
Archduke Luigi
Archduchess Helene
Archduke Istvan and Archduchess Istvan
Archduke Rudolf and Archduchess Rudolf
Father Johannes d'Autriche
Brother Thomas d'Autriche
Brother Joseph d'Autriche
Sister Marie-des-Neiges d'Autriche
Archduke Carl Christian and Archduchess Carl Christian (born princess of Luxembourg)
Archduke Imre and Archduchess Imre
Archduchess Rudolph (born princess of Wrede)
Archduke Carl Peter
Archduke Simeon and Archduchess Simeon (born princess of the Two Sicilies)
Archduke Michael
Archduke Eduard and family
Father Paul Habsburg
The Duke and Duchess of Braganza
Zsolt Semjén, Deputy Prime Minister of Hungary