He is the rightful heir to the Iron Throne

"He kill Renly Baratheon the ..." She begin to talk but you cut her off mid sentence.

"Renly was the younger brother of Stannis, which means he is an usurper.." you exclaim calmly.

She shook her head, " You can't be defending this man. He used dark magic with the red woman to kill Renly."

"It doesn't matter if he did. He is Robert heir since all Cersei Lannister children is born of ****. I also believe don't serve judgement when the act of killing was taking place during war time."