Willem I "the Silent"
                         Prince of Orange, Count of Nassau
                         1533-1584
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                         Maurits
                         Prince of Orange, Count of Nassau
                         1567-1625
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                         Lodewijk van Nassau
                         Heer van Beverweerd
                         1602-1665
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                         Elisabeth van Nassau
                         1633-1718
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                         Lady Isabella Bennet
                         2nd Countess of Arlington
                         1667-1722
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                         Charles Fitzroy
                         2nd Duke of Grafton, 3rd Earl of Arlington
                         1683-1757
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                         Lady Isabella Fitzroy
                         1726-1782
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                         Lord Hugh Seymour
                         1759-1801
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                         Sir Horace Beauchamp Seymour
                         1791-1851
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                         Adelaide Horatia Elizabeth Seymour
                         1825-1877