),
son of Welf Ivan Beieren / der Welfen and Eigilwichvan (Emma) Altdorf / van Oost-Francië / van Beieren,
born at Altdorf [Duitsland] in 802,
Koenraad is de stamvader van de Bourgondische tak van de Welfen.
See: https://nl.wikipedia.org/wiki/Koenraad_I_van_Auxerre,
Graaf van Linzgau en Vieux,
Graaf van Argengau en Auxerre from 858 to 863,
died (around 63 years old) at Auxerre [Frankrijk] on 22 Mar 866,
marries (resp. around 28 and at most 7 years old) around 830 with
),
daughter of Hugo II "de Angstige" van Tours and Avavan Morvois,
born at Tours [Frankrijk] between 5 Januari 823 and 4 Januari 826,
died (around 53 years old) at Tours [Frankrijk] between 6 Juli 876 and 21 Juli 876.
,
son of Wichman IIvan Hamaland and N.N.van IJsselgouw,
born at Elzas [Frankrijk] in 806 [(circa 836)],
Heerser van Hamaland before 881,
died (around 74 years old) around 880,
From a relation no children.