CharacterJon UmberMaleNorthmend. In 299 AC, at the TwinsAlso known asThe Smalljon, Smalljon UmberAppears inA Game of Thrones, A Clash of Kings, A Storm of Swords, A Feast for Crows, A Dance with DragonsPlayed byDean JaggerRelationshipsHouse House Umber of the Last Hearth