So far the only royals who have confirmed attendance are the Belgian and Spanish Monarchs and consorts .
Sir Keir Starmer,the UK's PM confirmed he will be attending.
Other confirmations so far :
President Emmanuel Macron of France
The current US President and First Lady
Ursula von der Leyen and Antonio Costa from the EU
The President of Argentina
The Ukrainian President is reportedly planning to attend (not confirmed)
Who will attend Pope Francis' funeral? Confirmed dignitaries and royals revealed
The Norwegian Crown Prince is in Poland on a 3 day visit ,his mother was just discharged from hospital and I can't see the king attending.