Margaery's handmaiden

"Margaery's handmaiden" is first seen in Season 3 "Valar Dohaeris". She is portrayed by Aisling Jarrett-Gavin.

Season 3
Margaery's handmaiden exits the palanquin with Lady Margaery Tyrell as she stops the King's procession through the streets of Flea Bottom. Margaery begins to cross a muddy path into an orphanage when her handmaiden warns she will ruin her dress. As Lady Margaery speaks with the children, her handmaiden hands out toys.