Commentary
Stewart Baldwin shows his father as William Longsword. He references Flodoard's Annals, Monumenta Germaniae Historica, Scriptores and "The Normans in Europe" by Elisabeth van Houts which gives English translations of many of the primary sources relevant to early Norman history.

Stewart Baldwin shows his mother as Sprota. He references Book III of William of Jumièges additions to the "Gesta Normannorum Ducum" as evidence to support this. The GND was a contemporary work for this period. For a discussion on the importance of this work, see "The Anglo-Norman Studies: Proceedings of the Battle Conference 1980", pp 106-118, "The Gesta Normannorum Ducum, A History Without End, Elisabeth, M. C. Van Houts [ http://books.google.com/books?id=nYf4GwsrIZ4C&pg=PA106 ].
Family
ClaimDetailEvidence
FatherWilliam Longsword I, 2nd Duke of Normandy (~891-942) [S756] [S905] [S2611] [S2855]
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MotherSprota (e910-) [S756] [S905] [S2611] [S2855]
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Spouse 2ndGunnor, Duchess of Normandy (~950-1031) 
Child +Robert, Count of Evreux (e975-1037) [S756] [S905] [S2855]
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Child +Havise de Normandie (e979-1034) [S756] [S915] [S2611] [S2855]
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Child +Richard II, Duke of Normandy (e979-1026) [S756] [S2855]
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Child +Geoffrey de Brionne Count of Eu (~953-~1015) [S2611] [S2855]
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Child +William, Count of Eu (978-1057) [S905] [S2855]
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Child +Papia (e992-) [S2855]
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Attributes
ClaimDetailEvidence
GenderMale
NameRichard I, Duke of Normandy [S756:1] [S905]
Nickname: Richard the Fearless
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NameRichard I, Duke of Normandy [S756:1] [S905]
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NameRichard I, `the Fearless` [S756]
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NameRichard of Normandy [S756]
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NameRichard I, `the Fearless`, Duke of Normandy [S756]
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NameRichard I, 'Sans Peur' Comte de Normandie [S905] [S2855]
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NameRichard I, 'Sans Peur' [S1338]
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FatherWilliam Longsword I, 2nd Duke of Normandy (~891-942) [S756] [S905] [S2611] [S2855]
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MotherSprota (e910-) [S756] [S905] [S2611] [S2855]
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Uncertain daughterAda (e1012-) [S756]
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TitleDuke of Normandy [S696] [S756]
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Timeline
ClaimDateDetailAgeEvidence
Birthabt 932Fécamp, Haute-Normandie, France [S905] [S2611] [S2855]
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Birthabt 933Fécamp, Haute-Normandie, France [S756]
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LivingMay 29, 942 [S756]
Named father's heir
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Marriage 1st960 [S756] [S2611] [S2855]
Emma (d. 968), dau of Hugh Capet, King of France (d. 942) and Adelaide of Poitou
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Marriage 2nd 968 - 978Gunnor, Duchess of Normandy (~950-1031) [S905] [S2855]
Cawley gives their marriage as before 989. Foundation of Medieval Genealogy (Medieval Lands - Normandy: Alencon, Evereux, Meulan, Perche)@Cawley} also shows their son William being born in 978. Weis shows Richard's 2nd wife dying in 968.
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DeathNov 20, 996 [S756] [S2611] [S2855]
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Sources
IndexTitle
[S696] Vivian, J. L. (comp.), "The Visitations of the County of Devon, Comprising the Herald's Visitations of 1531, 1564 and 1620" (Exeter: H. S. Eland, 1895) (https://books.google.com/books/about/The_Visitations_of_the_County_of_Devon.html).
[S756] Weis, Frederick Lewis, "Ancestral Roots of Sixty Colonists Who Came To New England before 1700, 7th Ed." (Genealogical Publishing Co., Inc., Baltimore, 1999).
[S905] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Normandy: Alencon, Evereux, Meulan, Perche)" (2006-7 (v1.1 Updated 02 March 2007)) (https://fmg.ac/Projects/MedLands/NORMANDY NOBILITY.htm).
[S1338] Baldwin, Stewart, "The Henry Project - Richard I" (February 8, 2004) (https://fasg.org/projects/henryproject/data/richa000.htm).
[S2611] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Normandy: Aumale, Rouen, Eu )" (v4.2 Updated 30 May 2018) (https://fmg.ac/Projects/MedLands/normacre.htm).
[S2855] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Norman Dukes)" (https://fmg.ac/Projects/MedLands/NORMANDY.htm).
Family Note
(Unknown Spouse) mistress