|Book(s)|| A Storm of Swords (appears)|
A Feast for Crows (mentioned)
A Dance with Dragons (appears)
Ser Ryon Allyrion is a knight of House Allyrion. The son and heir of Delonne Allyrion, the Lady of Godsgrace. He is married to Ynys Yronwood, with whom he has at least two children. He also has a bastard son, Ser Daemon Sand.
A Storm of Swords
A Dance with Dragons
He is present in Dorne, along with his bastard son Daemon, at the feast when Ser Balon Swann arrives in Sunspear to deliver the head of the Mountain. He drinks when Ricasso raises a toast to King Tommen Baratheon.