Queen Mary and King Frederik of Denmark reunited with their son Crown Prince Christian over the weekend. Their Majesties and their younger children, Princess Isabella, Prince Vincent and Princess ...

Prince Frederik of Luxembourg, son of Prince Robert and Princess Julie of Nassau, passed away at 22 in Paris due to POLG mitochondrial disease. Diagnosed at 14, Frederik advocated for research and ...

Prince Frederik, son of Prince Robert of Luxembourg, has died from a rare genetic disease, his father announced. He was 22. Robert and his wife, Princess Julie of Nassau, announced Frederik's ...

Crown Prince Christian of Denmark has reunited with his parents, King Frederik and Queen Mary during Military service. The King and Queen paid a visit to the Guard Hussar Regiment in Slagelse, where ...

Prince Frederik of Luxembourg, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, has died after a lifelong battle with a rare genetic disorder known as POLG ...

Prince Frederik of Luxembourg, the youngest son of Prince Robert and Princess Julie, died earlier this month at the age of 22. He was suffering from POLG mitochondrial disease, a rare genetic ...

Prince Frederik spoke about how the diagnosis changed his life in the emotional video Janine Henni is a Royals Staff Writer for PEOPLE Digital, covering modern monarchies and the world's most ...

Prince Frederik of Luxembourg, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, has passed away at the age of 22 following a lifelong struggle with POLG mitochondrial ...

Prince Frederik of Luxembourg died on March 1, his family wrote in an emotional statement last week. He was 22. The young prince, who is the son of Prince Robert of Luxembourg and Princess Julie ...

his father Prince Robert—who shares Frederik, as well as kids Princess Charlotte, 29, and Prince Alexandre, 27, with wife Princess Julie—detailed his last hours. “Last Friday, February ...