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 Caroline Fitzroy
                         1722-1784
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                         Charles Stanhope
                         3rd Earl of Harrington
                         1753-1829
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                         Lady Charlotte Augusta Stanhope
                         1793-1859
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                         Charles William FitzGerald
                         4th Duke of Leinster
                         1819-1887
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                         Lord Maurice FitzGerald
                         1852-1901
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                         Kathleen FitzGerald
                         1892-1930