Commentary
There is much confusion over Hedwig's parentage. This from 'Ancestral Roots' (Weis): "Charlemagne & His World (Heer), p. 226, shows Otto's wife as dau. (illeg.) of Arnulf, King of Germany, & Oda of Bavaria; Arnulf was son of Carloman, King of Bavaria & Litwinde; Carloman was son of Louis II "the German", King of the East Franks and Emma of Bavaria. See Brandenburg for Arnulf's ancestry; however, Brandenburg shows no such dau. for Arnulf. Isenburg shows Hedwig as dau. of Henrich, d. 886, Markgraf of the Netherlands. Saillot says Otto's wife was Hedwig, dau. of Henri, Comte de la Marche. Moriarty says Hedwig d. 24 Dec. 903, does not identify parents."
Baldwin says Heinrich, Marquis of Neustia is a possible father. Cawley shows HEINRICH dux [Babenberg] & his wife Engeltrudis
Family
ClaimDetailEvidence
FatherHeinrich Marquis en Neustrie (e822-~886) [S978]
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MotherBaba (e823-) [S978]
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SpouseOtto, Graf im Sudthüringau (~836-912) 
Child +Liudolf (~870-<912) [S900]
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Child +Henry I, King of Germany (~876-936) [S756] [S900]
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Child +Oda of Saxony (~884-) [S900]
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Attributes
ClaimDetailEvidence
GenderFemale
NameHedwig [S756] [S900] [S920] [S978]
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NameHedwig [Badenberg] [S924]
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NameHadwig [S2141]
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FatherHeinrich Marquis en Neustrie (e822-~886) [S978]
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MotherBaba (e823-) [S978]
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Timeline
ClaimDateDetailAgeEvidence
Birth 850 - 855Germany [S978]
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DeathDec 24, 903 [S756] [S978]
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Sources
IndexTitle
[S756] Weis, Frederick Lewis, "Ancestral Roots of Sixty Colonists Who Came To New England before 1700, 7th Ed." (Genealogical Publishing Co., Inc., Baltimore, 1999).
[S900] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Saxony: Dukes)" (2006-7 (v1.1 Updated 18 September 2006)) (https://fmg.ac/Projects/MedLands/SAXONY.htm).
[S920] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Upper Lotharingian Nobility)" (2006-7) (https://fmg.ac/Projects/MedLands/LOTHARINGIAN (UPPER).
[S924] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Germany Kings)" (2006-7 (v1.1 Updated 26 August 2006)) (https://fmg.ac/Projects/MedLands/GERMANY, Kings.htm).
[S978] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Franconia Nobility)" (2006-7 (v1.1 Updated 02 January 2007)) (https://fmg.ac/Projects/MedLands/FRANCONIA.htm).
[S2141] Baldwin, Stewart, "The Henry Project - Hadwig" (April 3, 2011) (https://fasg.org/projects/henryproject/data/hedwi002.htm).