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Margaret The Princess Royal yyyy-yyyy | | m.yyyy Stephen de Witt yyyy-yyyy | | Helena Countess of Perth yyyy-yyyy | | m.yyyy Eric Ball Earl of Perth yyyy-yyyy | | King Albert II yyyy-present r.yyyy-present | | m.yyyy Queen Mary yyyy-present | | | | | | | | | | | | m.yyyy Beatrix Duchess of Sussex yyyy-yyyy | | George Duke of Sussex yyyy-yyyy | | Charles Marquess of Pelsaert yyyy-yyyy | | m.yyyy Edwina Marchioness of Pelsaert yyyy-yyyy | | |
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| | de Witt Family | | | | | | Ball Family | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | Michael Duke of Wessex 1982-2019 | | m.2009 Adelaide Duchess of Wessex 1983-present | | | | | | Alexandria The Princess Royal 1983-present | | m.2013 Timothy Chetwold-Talbert 1981-present | | | | Phillip Duke of Furneaux 1988-present | | m.2020 Georgia Duchess of Furneaux 1991-present | | Andrew of Adelaide yyyy-present | | m.yyyy Theresa of Adelaide yyyy-present | | Isobelle of Adelaide yyyy-present | | m.yyyy Michael Champion de Crispigny yyyy-present | | | | | |
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Beatrix of Wessex 2014-present (1st in line) | | Charles of Wessex Viscount Romsey 2016-present (2nd in line) | | Victoria of Wessex 2017-present (3rd in line) | | Edward Chetwold-Talbert 2016-present | | Olivia Chetwold-Talbert 2019-present | | Sophia Chetwold-Talbert 2021-present | | | | Elizabeth of Furneaux 2021-present | | | | Meridah of Adelaide 1985-present | | m.2011 William Heinz 1983-present | | Diana of Adelaide 1988-present | | m.2013 Paul de Jersey 1984-present | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Heinz Family | | | | | | De Jersey Family | | | | | | |