Lord of Storm's End
From Asoiaf
The Lord of Storm's End rules from Storm's End. The current Lord is Renly Baratheon.
Orys Baratheon was given Storm's End after he killed Argilac the Arrogant, last of the Storm Kings.
Robert Baratheon, Lord of Storm's End was bethroted to Lyanna Stark. He loved her.
Robert Baratheon, Lord of Storm's End vowed to kill Prince Rhaegar Targaryen for what he did to Lyanna Stark.
Aerys II Targaryen, King of the Seven Kingdoms demanded the heads of Eddard Stark and Robert Baratheon from Lord Jon Arryn. He revolted instead.
282 AL Robert Baratheon, Lord of Storm's End and Eddard Stark, Lord of Winterfell rode forth to win the throne.
283 AL During the Battle of the Trident Robert Baratheon, Lord of Storm's End fought Prince Rhaegar Targaryen at the ford. In the end Robert's warhammer smashed the chest of Prince Rhaegar. When Eddard Stark, Lord of Winterfell came to the scene men from both sides were scrabbling for rubies knocked of Rhaegar's armor.