1. The Kingswood Brotherhood
(Houses of Westeros/Independents)

... had attempted the assassination of Aegon IV. Other notable members included the Smiling Knight, a deranged but deadly swordsman, Wenda the White Fawn, a female outlaw who branded her prisoners with a fawn, ...

2. House Dayne
(Houses of Westeros/Minor Houses)

... that destroyed the Kingswood Brotherhood, and killed the Smiling Knight. Ashara Dayne Sister of Ser Arthur, possessing great beauty and purple eyes. Suggested to be the lover of Eddard Stark and mother ...