He was the third son of Prince Robert, cousin of Grand Duke Henri of Luxembourg. The death of Prince Frederik of Nassau, at the age of 22, has caused deep sadness in the Grand Duchy of Luxembourg, but also among citizens worldwide who have been touched by his story.

In a moving post, the family of Luxembourg’s Prince Frederik of Nassau detailed his final days and how, even as he said his goodbyes, their son’s character never faded.

Frederik de Nassau died on March 1, in Paris, a day after internationally recognized Rare Disease Day, which takes place on the last day of February.