Prince Frederik, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, left behind a lasting legacy following his death at age 22 this month. POLG Foundation Frederik was ...

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 ...

Prosecutors asked for a sentence of four years and three months. Brandenburg faced a maximum penalty of 10 years of imprisonment and $250,000 in fines for each felony count.

Prince Frederik, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, died at age 22 on March 1 from the rare genetic condition POLG Mitochondrial disease.