castle | Windsor Castle | Castle | Edinburgh Castle | Balmoral Castle | Castle (TV series) | Prague Castle | Castle Donington | Corfe Castle | Castle Hill | Castle Hill, New South Wales | Powis Castle | Roy Castle | Colditz Castle | Castle Combe | The Matrix Reloaded | New Castle | Nagoya Castle | Dublin Castle | New Castle, Delaware | Matrix | Lancaster Castle | Hearst Castle | Harold & Kumar Go to White Castle | Cardiff Castle | The Castle of Otranto | Tantallon Castle | Takeshi's Castle | Luttrellstown Castle | Dover Castle |
He was the third son of Richard Southwell of Castle Matrix, Co. Limerick, and his wife Lady Elizabeth O'Brien, daughter of Murrough O'Brien, 1st Earl of Inchiquin.