|Died||In 299 AC, at the Twins|
A Clash of Kings (appears)|
A Storm of Swords (appears)
A Feast for Crows (appendix)
Ser Donnel Locke is a knight from House Locke. According to the semi-canon A Song of Ice and Fire Campaign Guide, he is a son of Lord Ondrew Locke and sees to House Locke's lands in his elderly father's stead.
A Clash of Kings
A Storm of Swords
At some point, Donnel is released from captivity. He attends the wedding of Lord Edmure Tully to Lady Roslin Frey at the Twins. He is among those nobles killed during the Red Wedding, getting hit with crossbow bolts.