Prince Frederik, 22, was a founder and the creative director of a foundation that raised awareness of POLG disorder.

Prince Frederik, the son of Europe's Prince Robert of Luxembourg, has died from a rare genetic disease, his family announced.

The Prince and Princess of Wales shared a sweet moment at Westminster Abbey – the site of their April 2011 wedding ...

Ukrainian President Volodymyr Zelenskyy arrived Monday in Saudi Arabia for a visit with its powerful Crown Prince ahead of ...

Prince Frederik of Luxembourg has died of the rare genetic disease he was born with 22 short years ago after saying goodbye ...