- Prince Frederik of Luxembourg dies from rare disease CNN
- Prince Frederik of Luxembourg dead at 22 from rare genetic condition Fox News
- Prince Frederik of Luxembourg dies at 22 from rare mitochondrial disorder CBS News
- Robert of Luxembourg grieves the heartbreaking loss of his beloved son, Frederick HOLA! USA
- Luxembourg’s Prince Frederik Dies at 22 from Rare Genetic Condition: ‘He Is My Superhero,’ Says Dad Prince Robert PEOPLE