Lady Lysa Arryn, née Tully, is the second child of Lord Hoster Tully of Riverrun and the sister of Catelyn Stark and Edmure Tully. Married to the much older Jon Arryn during Robert's Rebellion, she becomes the Lady of the Eyrie and mother to their only son, Robin Arryn.
In Game of Thrones, Lysa flees to the Vale after Jon Arryn's death, ruling as Lady Regent on her son's behalf and pursuing a policy of isolation during the War of the Five Kings. It is later revealed that she poisoned her own husband and falsely blamed the Lannisters, acting out of love for Petyr Baelish, whom she eventually marries.
Consumed by jealousy of her sister and devoted to her son, Lysa is portrayed by Kate Dickie. Her life ends when Baelish, feigning devotion, shoves her through the Moon Door of the Eyrie to her death. A full account of her role appears on the Timeline.
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