"But... to take a son from his father, Killian," he said, startled again, but his voice was quiet. After what they had gone through, even for love, to take a son from his father... He couldn't quite imagine it. Not from his baby brother.

Not that he didn't think his brother wouldn't make a wonderful father, he was sure Killian would be the very best father, but to usurp someone else's son that way...