It’s not any more spelled out than Loras and Renly were, but…
“He slipped inside the tent, leaving Griff to contemplate the gilded skull of his old friend. In life, Ser Myles Toyne had been ugly as sin. His famous forebear, the dark and dashing Terrence Toyne of whom the singers sang, had been so fair of face that even the king’s mistress could not resist him; but Myles had been possessed of jug ears, a crooked jaw, and the biggest nose that Jon Connington had ever seen. When he smiled at you, though, none of that mattered. Blackheart, his men had named him, for the sigil on his shield. Myles had loved the name and all it hinted at. “A captain-general should be feared, by friend and foe alike,” he had once confessed. “If men think me cruel, so much the better.” The truth was otherwise. Soldier to the bone, Toyne was fierce but always fair, a father to his men and always generous to the exile lord Jon Connington.“