Matilda FitzRoy, Duchess of Brittany, illegitimate daughter of Henry I of England by unnamed mistress
Brittany | Catherine, Duchess of Cambridge | Sarah, Duchess of York | Camilla, Duchess of Cornwall | Fitzroy | Marie Louise, Duchess of Parma | Princess Louise, Duchess of Argyll | Matilda | Duchess of Cambridge | Fitzroy, Victoria | Waltzing Matilda | Sir Fitzroy Maclean, 1st Baronet | Fitzroy Football Club | Brittany Murphy | Sarah Lennox, Duchess of Richmond and Lennox | Matilda of Tuscany | Duchess of York | John V, Duke of Brittany | Fitzroy Square | Duchess of Kent | Brittany Ferries | Brittany (administrative region) | Maria Teresa, Grand Duchess of Luxembourg | Empress Matilda | Duchess of Cornwall | Duchess Charlotte Georgine of Mecklenburg-Strelitz | Charles Augustus FitzRoy | Catherine of Brunswick-Wolfenbüttel, Duchess of Saxe-Lauenburg | Robert FitzRoy | Princess Madeleine, Duchess of Hälsingland and Gästrikland |
Matilda FitzRoy, Abbess of Montvilliers, illegitimate daughter of Henry I of England by Isabel de Beaumont
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Matilda FitzRoy, Countess of Perche, illegitimate daughter of Henry I of England by Edith
Matilda became the abbess of the Abbey Church of Notre-Dame, Montivilliers, and for that reason is best known as Maud of Montivilliers.