Willem I "the Silent"
                         Prince of Orange, Count of Nassau
                         1533-1584
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                         Countess Charlotte Brabantina von Nassau
                         1580-1631
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                         Charlotte de La Tremouille
                         1602-1664
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                         Lady Amelia Ann Sophia Stanley
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                         Lord William Murray
                         2nd Lord Nairne
                         1664-1726
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                         Robert Mercer
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                         William Mercer
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                         Jane Mercer
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                         Margaret Mercer Keith
                         Baroness Keith, Baroness Nairn
                         1788-1867
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                         Comtesse Emily Jane de Flahault de Billardrie
                         Baroness Nairn
                         1819-1895
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                         Henry Charles Keith Petty FitzMaurice
                         5th Marquess of Lansdowne
                         1845-1927
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                         Lady Evelyn FitzMaurice
                         1870-1960