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de Ponthieu-Altdorf Genealogy and de Ponthieu-Altdorf Family History Information

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    Hedwig de Ponthieu-Altdorf, Abbess of Chelles (770 - 843)
    Hedwig, Duchess of Bavaria Hedwig (c. 778 – after 833) was a Saxon noble woman, the wife of Count Welf I and mother-in-law of Emperor Louis the Pious through his marriage to Judith, her daughter. Tu...

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