Margaery is depicted as a beautiful and clever young woman who uses her charms and political acumen to navigate the dangerous and intricate power struggles of the nobility. She is initially married to King Renly Baratheon in an effort to solidify an alliance between House Tyrell and House Baratheon, but Renly’s untimely death leads her to be betrothed to Renly’s older brother, King Joffrey Baratheon.
Margaery becomes the Queen of the Seven Kingdoms after her marriage to Joffrey, and she plays a strategic role in improving the public image of the monarchy and securing alliances through her charitable acts and engaging personality. She is also skilled at playing the political game and forming close relationships with influential figures.
Throughout the story, Margaery’s motivations and intentions remain somewhat ambiguous. She is seen as someone who is adaptable and willing to work with various factions to secure her own position and that of her family. She later becomes involved with other members of the royal family as political marriages continue to shape the course of events in Westeros.