<Ul> <Li> The Stormlands </Li> <Li> The Crownlands </Li> </Ul> <P> Robert Baratheon is a fictional character in the A Song of Ice and Fire series of epic fantasy novels by American author George R.R. Martin, and its television adaptation Game of Thrones . </P> <P> Introduced in 1996's A Game of Thrones, Robert Baratheon is the eldest son and heir of Lord Steffon Baratheon and Lady Cassana Estermont of Storm's End, the paramount of Stormlands, one of the Seven Kingdoms of Westeros, and brother to Stannis and Renly . Robert fought a rebellion which was named after him to win back his betrothed, Lyanna Stark, with the aid of her brother and his close friend, Eddard Stark, and their foster guardian Jon Arryn . After crushing the Targaryen dynasty and winning the war, Robert took the Iron Throne from his distant cousin Aerys II Targaryen (who is nicknamed "The Mad King"), and established the Baratheon dynasty as its first king . However, due to Lyanna's death during the war, Robert married Tywin Lannister's daughter Cersei instead to ensure political stability . </P> <P> Robert is portrayed by English actor Mark Addy in the HBO television adaptation . </P>

Who was the first king in game of thrones