Born in the year 77, Valerion Targaryen was a prince of House Targaryen, the twelfth child and fifth son of King Jaehaerys I Targaryen and his sister-wife, Alysanne.
He was born small and sickly and was nursed by several nannies, but he did not grow up. He died half a moon short of his first birthday in the year 78.
