Ysela Stark of Winterfell is the youngest daughter and third child of lord Torrhen II Stark and Lady Celia Tully. She became a handmaiden to Queen Danae Targaryen in the fifth era after the murder of Thaddius Lannister at Winterfell, as a means to secure Lord Jojen Stark's loyalty to the crown.
Edmure Stark, brother (deceased)
Jojen Stark, brother
Lyanna Stark, sister
Symeon Stark, brother