Who said "Some loyalties run deeper than reason."?

This quote is attributed to Brienne of Tarth.

Some loyalties run deeper than reason. - Brienne of Tarth

"Some loyalties run deeper than reason."

Brienne of Tarth

Character in A Clash of Kings

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"A woman's place is wherever she chooses to be"

"A true knight protects the innocent."

"A loyal man is worth ten mercenaries."

"I want to serve"