Commentary
According to Stewart Baldwin, his is probably the son of Wigerich, but this is not known absolutely. He could have been the son of Richwin.
Family
ClaimDetailEvidence
FatherWigerich, Count in Bidgau (e886-919) [S918] [S957] [S2727]
research
MotherCunegonde (~892-) [S918] [S957] [S2727]
research
SpouseBeatrix de France (~939-1003) 
Child +Thierry I Duke of Upper Lotharingia (~962-1027) [S957]
research
Attributes
ClaimDetailEvidence
GenderMale
NameFrédéric I, Duke of Upper Lorraine [S1467]
research
NameFrederic I, Duke of Upper Lotharingia [S918] [S957] [S2727]
research
FatherWigerich, Count in Bidgau (e886-919) [S918] [S957] [S2727]
research
MotherCunegonde (~892-) [S918] [S957] [S2727]
research
Timeline
ClaimDateDetailAgeEvidence
Birth 910 - 915Luxembourg, Belgium [S918] [S957] [S2727]
research
Betrothal951 [S957] [S2727]
research
Marriage[Sep 10/Nov 12] 954Beatrix de France (~939-1003) [S957] [S2727]
research
Title959Duke of Upper Lorraine [S918] [S2727]
research
Death[Jun/Jul] 978 [S918] [S957] [S2727]
research
Sources
IndexTitle
[S918] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Lower Lotharingian Nobility)" (2006-7 (v1.1 Updated 21 December 2006)).
[S957] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Lotharingia)" (2006-7 (v1.1 Updated 04 September 2006)) (https://fmg.ac/Projects/MedLands/LOTHARINGIA.htm).
[S1467] Baldwin, Stewart, "The Henry Project - Frédéric I" (June 15, 2008) (https://fasg.org/projects/henryproject/data/frede001.htm).
[S2727] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - France, Capetian Kings)" (v4.3 Updated 07 January 2020) (https://fmg.ac/Projects/MedLands/CAPET.htm).
Kinship Lines for Frédéric I, Duke of Upper Lorraine
Spouse/PartnerDegreeRelationshipMRCA
Beatrix de France (~939-1003)135th Cousin 1x removedCharles I, King of France & Italy (748-814)
Beatrix de France (~939-1003)135th Cousin 1x removedHildegarde (~758-783)