Family
ClaimDetailEvidence
FatherJoceran de Semur, Seigneur of Semur (e919-~994) [S907]
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MotherRichoara (e921-) [S907]
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Spouse 1st_____ de Brioude (e940-<962) 
Child +Dalmas I, Seigneur of Semur (e961-1048) [S907]
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Attributes
ClaimDetailEvidence
GenderMale
NameGeoffroy I, Seigneur of Semur [S907]
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FatherJoceran de Semur, Seigneur of Semur (e919-~994) [S907]
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MotherRichoara (e921-) [S907]
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TitleSeigneur of Semur [S907]
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Marriage 2nd [S907]
Mathilde de Chalon (d bef 1019), the daughter of Lambert Count of Chalon and Adelais
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Timeline
ClaimDateDetailAgeEvidence
Birthest 940 (940-945)
 
Deathabt 1020 [S907]
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Sources
IndexTitle
[S907] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Burgundy Duchy Nobility: Mâcon & Beaujeu)" (2006-7 (v1.2 Updated 25 August 2007)) (https://fmg.ac/Projects/MedLands/BURGUNDIAN NOBILITY.htm).