Who said "A son's duty is to his father, but a man's duty is to himself."?

This quote is attributed to Theon Greyjoy.

A son's duty is to his father, but a man's duty is to himsel... - Theon Greyjoy

"A son's duty is to his father, but a man's duty is to himself."

Theon Greyjoy Family

Character in A Clash of Kings

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"Better to be a living dog than a dead lion."

"What is dead may never die"

"A broken man has nothing left to lose"

"The gods are cruel to make us want what we cannot have"

"A man's home is his castle."

"Family is everything to me."

"Life's greatest treasure is the love of family."

"A woman's place is in the home... making it a happy one."