Jacaerys Velaryon was next in line to the Iron Throne, after his mother, Rhaenyra Targaryen. However, Alicent, the wife of King Viserys, and her children did not agree with the princess's ascension to the throne, claiming. For many years this dispute was avoided, but one day it explodes at a dinner.

"How could your son ascend the Iron Throne, princess? He doesn't even have the pure Valyrian blood you say he does, does he?" Alicent alleged looking at Jacaerys.