Prince Johann Georg von Hohenzollern's funeral was held on March 12 in his native Germany. The religious service was held, privately at the Hedinger Sigmaringen church, in Baden-Württemberg town where stands the ancient castle of the princes of Hohenzollern-Sigmaringen. King Carl XVI Gustaf and his wife Queen Silvia attended, alongside the Princess Birgitta.

A statement from the royal house, their son Prince Carl Philip, Princess Birgitta's godson, was also present, as were two other sisters of the sovereign Princesses Christina and Desiree who came with her husband Baron Nils August Silfverschiöld . The fourth sister of the King of Sweden, Princess Margaretha was in turn represented by his daughter Sybilla von Dincklage.

That same day, flags were flown at half mast on the Stockholm Royal Palace and Drottningholm Palace, while a public ceremony was held for the deceased in the Church of Riddarholmen, the necropolis of the Swedish monarchs.