Loras Tyrell
Loras was born in May 0281 in Highgarden, the Reach.  He died due to a medical problem, due to the infection in his eye, at the age of 22 in July 0303 in King's Landing, the Crownlands.

 Renly Baratheon
Renly was born in 0277 in Storm's End, the Stormlands.  He died in an accident or as a result of an injury, during the riots in King's Landing, at the age of 21 in 0298 in King's Landing, the Crownlands.  He was buried in Highgarden, the Reach.