"Prince Myrwin's a hard man and a merciless opponent but your neice will be safe." That was more than could be said for her siblings in Kings Landing. A bad idea for William Stark, but the man had probably stumbled into putting his daughter out of harm's way. For himself, he wanted her in Dorne- one less innocent head to worry about.
He smiled. "Ah, dresses. The last time I donned a skirt that wasn't some mad foreign get-up, I was ten and my sister had won a bet." Aunt, actually, but Elia was more a sister and younger to boot. "Every boy must have some girl or another trick him into a gown from time to time. It helps remind him of humility. Besides, she'll be teased enough if her brother ever manages to get bigger than her. It's a brother's revenge."