A Clash of Kings (Mentioned)|
A Storm of Swords (Appears)
A Feast for Crows (Mentioned)
Andrew is tall with a long, pointy beard and bushy, brown eyebrows.
A Clash of Kings
A Storm of Swords
One of the king's men, Ser Andrew is considered one of the few men Stannis can still rely on after the Battle of the Blackwater. Andrew supports Lord Davos Seaworth and escorts Edric Storm when he leaves Dragonstone in the Mad Prendos in order to protect him from Melisandre's fires.
There are different possibilities for the Estermont family tree; see House Estermont/Theories.