Edmund Beaufort, 2nd Duke of Somerset married before 1436 probably, abt 1425, Lady Eleanor Beauchamp, widow of Thomas de Ros, 9th Baron de Ros, daughter of Richard de Beauchamp, 13th Earl of Warwick and his first wife, Elizabeth de Berkeley, daughter and heiress of Thomas de Berkeley, 5th Baron Berkeley and Margaret de Lisle, 3rd Baroness Lisle.
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In the early 14th century, Thomas, Lord Berkeley, the rich (1293–1361), modified Beverston Castle, erecting a small quadrangular stronghold, with a twin-towered gatehouse.
The great City of London townhouse of the Berkeleys, known as "Berkeley's Inn", was at Puddle Dock by Baynard's Castle, close to the Blackfriars Monastery.