. . . . "1930-08-23" . . . . . . "1930" . . . . . "1880-04-17" . . . . "Alan, the 8th Duke" . . . . . "Alan Ian Percy,
'''8th Duke of Northumberland'''" . . . . . "The 8th Duke of Northumberland" . . . . . "Alan Percy" . . "Alan Ian Percy, Duke of Northumberland" . . "the Duke of Northumberland" . . . "Duke of Northumberland" . . . "1880" . . . "Alan, Earl Percy" . . . . . . "Alan, 8th Duke of Northumberland" . . . . "Earl Percy" . . . "Alan Ian Percy, 8th Duke of Northumberland" . . . "8th Duke of Northumberland" . . . "The Duke of Northumberland" . "Alan" . . . . . . . "Alan Percy, 8th Duke of Northumberland" . . . . . . . "Alan Percy, 8th Duke of Northumberland" . .