Assuming that fAegon takes King’s Landing, do you think Connington is successful in keeping him unmarried for Daenerys? The Tyrells might want Margaery to be queen for the fourth time, and Arianne might be ambitious enough to seduce her cousin (per TWOW Arianne II she is still looking to one-up Quentyn). Sansa would be an interesting choice if she was in the area, but at that point either Littlefinger still has other plans for her or she’s back in the North.