Margaery Tyrell: "No. 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. Margaery became Queen Consort through her marriage to King Joffrey Baratheon, and later his younger.
Writer and editor Silvia Moreno Garcia describes Margaery as "a sleeker, more determined player of this game of thrones"