Dacey Mormont is the eldest of Maege's five daughters and a proud warrior in her own right. She serves as one of Robb Stark's personal guard throughout the War of the Five Kings. -- Game of Thrones Wiki.
Okay, so we know that the most popular Game of Thrones fan theory is official, because, unlike Siri, HBO said so. Why did he continue to spread the lie that Jon is his “illegitimate bastard son” with a servant girl named Wylla? Seems like it would have prevented a lot of heartbreak — Catelyn never