"The simpering Baelor the Blessed created "the Maidenvault" to imprison his own sisters and save himself from carnal thoughts. Disgusting."
―King Joffrey Baratheon[src]

The Maidenvault is a structure within the Red Keep. It was built under orders of King Baelor Targaryen to imprison his sisters Daena, Elaena, and Rhaena. While under Targaryen custom Baelor was expected to marry one of his sisters, he had them all locked away in the tower due to his extremely zealous piety, claiming this would keep him safe from carnal temptations.[1]

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In the books

In the A Song of Ice and Fire novels, the Maidenvault was so-called because of the three maiden princesses imprisoned there. It is a long, slate-roofed building located behind the royal sept within the Red Keep. Its entry has two tall carved doors. Due to their imprisonment, the three sisters Daena, Elaena, and Rhaena became popularly known as the "Three Maidens in the Tower".

While his father was still alive, Baelor had actually been made to marry his eldest sister, Daena. While the wedding ceremony was held, the marriage was never consummated, and after his father died Baelor had it officially annulled.

After Baelor's death, the Maidenvault became simply another form of apartments for courtiers in the Red Keep. Lord Mace Tyrell and his retinue were housed there after the Battle of the Blackwater, and Queen Margaery Tyrell lived in the Maidenvault with her ladies even after she married Tommen.

See also