Guelph I (Welf) Duke of BAVARIA

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Guelph I (Welf) Duke of BAVARIA

Guelph I (Welf) Duke of was born about 0775 in Altdorf, Uri Canton, Switzerland. Guelph I (Welf) Duke of's father was Welf Isanbart von ALTDORF, Count in THURGAU and his mother was Irmentrude Thiedrada von Nagolzau de ALEMANNI. He was an only child.

Ancestor Pedigree Chart
- Welf Isanbart von ALTDORF, Count in THURGAU
  - b.~  0755 in Altdorf, Uri Canton, Switzerland
  
  Guelph I (Welf) Duke of BAVARIA
  - b.~  0775 in Altdorf, Uri Canton, Switzerland d.8 SEP 824
  
  Irmentrude Thiedrada von Nagolzau de ALEMANNI
  - b.~  0750 in Nagolzau, Alemanni Territory, (Swabia, germany) d.>  0776

Guelph I (Welf) Duke of's family with Heilwige of SAXONY

They had a son named Conrad I of Paris &.

Children