premise: Samwell Tarly appears in novels by George R. R. Martin.
hypothesis: The High Sparrow is a fictional character in the A Song of Ice and Fire series of high fantasy novels by American author George R. R. Martin and its television adaptation Game of Thrones . Samwell Tarly , called Sam , is a fictional character in the A Song of Ice and Fire series of fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones . Introduced in 1996 's A Game of Thrones , Sam is the eldest son of Randyll Tarly , from the fictional kingdom of Westeros . He subsequently appeared in Martin 's A Clash of Kings before being a POV character in the later novels .