The Empress Zita lived until 1989. 3 of their children are still alive, including the oldest, Otto von Habsburg. Zita was her father’s 17th child (of 24 children by his two marriages).
The Canons Regular of Saint John Cantius [in Chicago] report that to celebrate the Solemn Feast of St. John Cantius on October 20th, 2008, the Canons Regular offered a Latin Holy Hour, a Solemn High Mass (1962 Missale Romanum) and Solemn Vespers (1962 Breviarium Romanum)....
The Canons Regular also report that "celebrating the day with the Canons Regular were Her Imperial and Royal Highness, Maria Anna, Princess of Galitzine, granddaughter of Blessed Karl of Austria, and her husband Prince Piotr D. Galitzine as well as members of the Royal Family." A reception followed.