She's an expert at the game that Sansa has only just begun, and it is stunning to see her. Queen Margaery Tyrell was the only daughter of Lord Mace Tyrell and Lady Alerie Tyrell, granddaughter of Lady Olenna Tyrell and sister of Ser Loras Tyrell. Her father rules the Reach and she was raised in privilege as a lady of House Tyrell in Castle Highgarden. “She went out with a bang, didn’t she?” she said. Margaery finds herself arrested and awaiting trial, although Cersei is arrested as well for her unrelated charges, ie. Her death, and those of her brother and father, lead Olenna to accept a proposal by the Sand Snakes (who currently lead the Reach's ancient rival, Dorne) in supporting Adam Whitehead of the wertzone feels Margaery's rivalry with
She swiftly proves that she is one of the few people capable of managing Joffrey, which pleases his grandfather, Margaery Tyrell has been married to Joffrey Baratheon, but she is widowed hours later when he is poisoned at the wedding feast. Margaery persuades the High Sparrow, the leader of the Faith, to release Loras if he surrenders his claim as heir of House Tyrell and joins the Faith. She is a member of the House Tyrell, the second wealthiest and largest of the eight Great Houses in Westeros.
After a period of captivity, Margaery is permitted to visit Loras in his cell. To placate Cersei, Margaery surreptitiously convinces Olenna to return to Highgarden, subtly indicating that she is still loyal to House Tyrell. Margaery Tyrell is a fictional character in the A Song of Ice and Fire series of high fantasy novels by American author George R. R. Martin, and its television adaptation Game of Thrones.. Margaery is first mentioned in A Game of Thrones (1996) and first appears in A Clash of Kings (1998). Margaery, the newly crowned queen of the realm, bit it in a pretty epic way. Margaery is renowned for her beauty and clever wits. Soon after, Olenna reveals herself as masterminding the poisoning, but Margaery, now aware that Margaery and Tommen marry, and she finally becomes the Queen of the Seven Kingdoms. Cersei intends for the zealously fervent religious order to seize and condemn Loras for his homosexual behavior, thus tricking Margaery into perjuring herself by denying knowledge of his proclivities.