Lady Margaery Tyrell is the only daughter of Lord Mace Tyrell and Lady Alerie Tyrell, granddaughter of Lady Olenna Tyrell and younger sister of Willas, Garlan and Loras Tyrell.
Margaery Tyrell is the youngest of four, to Mace and Alerie Tyrell. She takes great council form her grandmother and is very close with her brothers.
She married Robb Stark to unite the North and the South. She soon fell in love with her betrothed and gave him two children, Brynden and Rana.