Lord Robin Arryn, called "Sweetrobin" by his mother, is the only surviving child and heir of Lord Jon Arryn by his wife, Lysa of House Tully, who served as Robin's regent during his minority. He is the head of House Arryn, the Warden of the East and Defender of the Vale. Robin was born in King's Landing where his father was serving as the Hand of the King for Robert Baratheon. Jon begins an investigation into Robert's legitimate and bastard children and then takes a fever and dies…
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