the process. Upon hearing of his father's execution at King's Landing on the orders of King Joffrey Baratheon, Robb is crowned the King in the North and King of the Trident by his bannermen. A Clash of Kings Robb continues to win victories against Lord Tywin Lannister's armies, and earns the nickname "Young Wolf" for his ferocity in battle. He sends his mother to negotiate an alliance with King Renly Baratheon, but Renly is assassinated by his brother, King Stannis Baratheon with blood magic from the priestess Melisandre. Robb invades The Westerlands in order to strategically assist Stannis' campaign against the Lannisters. He also sends Lord Theon Greyjoy to Pyke to broker an alliance with Theon's father Balon Greyjoy, Lord of the Iron Islands. However, Balon declares himself to be a King and decides to invade the North instead. Theon joins his father, seizing Winterfell by surprise. Theon is believed to have murdered Robb's youngest siblings Bran and Rickon, though in reality they have escaped and gone into hiding. A Storm of Swords During an assault in the Westerlands, Robb is wounded and learns of the apparent deaths of his brothers at the hands of his closest friend and ally. Falling ill due to mourning and injury, he falls in love with the noble maiden in charge of nursing him, Lady Jeyne Westerling, and takes her virginity. To preserve Jeyne's honor, Robb marries her, rescinding his previous marriage arrangement with House Frey, causing them to desert his army. Following Stannis' defeat at the Battle of the Blackwater, Robb withdraws from the Westerlands and returns to Riverrun to attend the funeral of his grandfather Lord Hoster Tully. Upon returning, Robb learns that his mother has secretly released Jaime Lannister as an exchange for her daughter Sansa, a hostage in King's Landing. This leads to the mutiny of Lord Rickard Karstark, whose two sons were slain by Jaime, forcing Robb to execute Rickard and lose the Karstark's support. With his army dwindling, Robb tries to repair the alliance with the Freys by bargaining his uncle Lord Edmure Tully to marry Lady Roslin Frey. The Freys demand that Robb personally attend the wedding at The Twins as an apology. Robb learns that Balon Greyjoy has died and he decides to lead his army to retake the North immediately after the wedding is complete. He soon learns that his sister Sansa has been forcibly