"Orys slew Argilac and took Argilac's castle, kingdom, daughter, sigil and house words. House Baratheon became the Lord of the Stormlands."
Brienne of Tarth[src]
Orys Baratheon Profile

Orys Baratheon, the original holder of the title.

Lord Paramount of the Stormlands is a title held by the ruler of the Stormlands from their seat at Storm's End. Former holder Robert Baratheon passed the title to his younger brother, Renly Baratheon, after taking the Iron Throne. Before Robert, the title was held by his father Steffon Baratheon. It has been held by a member of House Baratheon since the War of Conquest.

After Robert and Renly deaths, the title should fall to Stannis Baratheon, middle brother of Robert and Renly, as the only surviving Baratheon brother. However, with the outbreak of the War of the Five Kings, Stannis declared himself king, as he was the rightful heir. Stannis fought against Robert's alleged sons - Joffrey, and then Tommen - who are actually bastards of incest between Queen Cersei and her twin brother Jaime. Both Stannis and Joffrey (and later Tommen) were left fighting over claim to the throne and rule of House Baratheon itself, and thus the title of Lord Paramount of the Stormlands was is also in dispute.

After the legal extinction of all legitimate Baratheons, Robert Baratheon's unacknowledged bastard son Gendry was legitimized by the decree of Queen Daenerys Targaryen and named Gendry Baratheon, Lord of Storm's End, presumably also becoming Lord Paramount of the Stormlands.

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Lord: Gendry Baratheon Heir: None
Seat: Storm's End Lands: The Stormlands
Title(s): Lords Paramount of the Stormlands · Lords of Storm's End
Ancestors:Durran Godsgrief · Argilac the Arrogant · Orys Baratheon · Argella Baratheon · Monica Velaryon · Mychal Baratheon · Axel Baratheon · Lyonel Baratheon · Borros Baratheon · Ormund Baratheon · Alanna Penrose · Theresa Baratheon · Ethelide Baratheon · Raymont Baratheon · Reginald Baratheon · Flynn Baratheon · Padraic Baratheon · Steffon Baratheon · Wilyam Baratheon
Current members:Gendry Baratheon
Deceased members:Robert Baratheon · Stannis Baratheon · Renly Baratheon · Steffon Baratheon · Cassana Baratheon
Household:Davos Seaworth · {Matthos Seaworth} · {Melisandre} · Imry Florent