Duke Welf I of Bavaria 
General Notes
Welf or Hwelf also known as Welf I, was the son of the 9th century Frankish count Rothard of Metz. He is the oldest known member of the Elder House of Welf. Welf is mentioned only once: on the occasion of the wedding of his daughter Judith with Emperor Louis the Pious in 819.
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Individual Additional Information
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Associated external link http://en.wikipedia.org/wiki/Welf_%28father_of_Judith%29
