Alanna Penrose was a member of House Penrose.
Alanna Penrose married Axel Baratheon, a son of Orys and Argella Baratheon, in 20 AC. 24 years later, Axel fought a duel with Steffon Trant to defend Alanna's honor, but was defeated and succumbed to his wounds. Alanna and Axel had no children.
She is referenced in her husband's entry of The Lineages and Histories of the Great Houses of the Seven Kingdoms.