"You should be proud in your brother's achievements. I took the great castle of Winterfell with twenty men."
"You're a great warrior. I saw the bodies above your gates. Which one gave you the tougher fight, the cripple or the six year old?"
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Yara Greyjoy is an ironborn, Theon Greyjoy's older sister and his only surviving sibling. Yara was raised at the House Greyjoy stronghold of Pyke. She is a fierce warrior and commands her own longship.

vs.

"The Iron Throne is mine by right. All those that deny that are my foes."
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Stannis Baratheon is the Lord of Dragonstone and the older of the two younger brothers of the late King Robert Baratheon, the younger being Renly Baratheon. Because of the revelation that Robert's heir Joffrey is not actually Robert's son, but a bastard born out of incest between Queen Cersei Lannister and her own brother Jaime Lannister, Stannis has claimed the Iron Throne and proclaimed himself the rightful King. As Robert had no trueborn children, only bastards, Stannis is indeed his lawful heir.