Original: In 1469, Edward IV of England confiscated the castle from its owner, Ralph Boteler, 1st Baron Sudeley and gave it to his brother, the Duke of Gloucester, who later became Richard III of England.
Simplified: Sudeley Castle was mainly built in 1441 by Ralph Boteler, who had the castle confiscated by Edward IV of England. Edward gave Sudeley Castle to his brother, who later became Richard III of England, who then gave it to his uncle Jasper Tudor, Duke of Bedford.