Family:
                Children:
- Jutta Heiress Of Wassenberg  Death: 24 Jun 1151
- Gerard II Count Of Zutphen  Death: Before 1134
- Yolande Of Guelders  
Marriage:
                Bibliography
- 
Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 12-1, Skelmersdale-Towton. London: St Catherine Press, 1953. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP XII/1 [Ap][p0-9].*].
- 
Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. II: Die Ausserdeutschen Staaten Die Regierenden Hauser der Ubrigen Staaten Europas. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES II #[0-9]*].
- 
Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. VI: Familien des Alten Lotharingien I. Marburg: Verlag von J. A. Stargardt, 1978. Information from this source tagged as [Ref: ES VI #[0-9]*].
- 
Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. XVIII: Zwischen Maas und Rhein. Frankfurt am Main: Vittorio Klostermann, 1998. Information from this source tagged as [Ref: ES XVIII #[0-9]*].
- 
Moriarty, G Andrews, Plantagenet Ancestry of King Edward III And Queen Philippa.  Salt Lake: Mormon Pioneer Genealogical Society, 1985. LDS Film#0441438. NYPL ARF-86-2555. Available at https://familysearch.org/search/film/007905814?cat=66443. Also available at https://familysearch.org/search/catalog/66443.  Information from this source tagged as [Ref: Moriarty Plantagenet p[0-9]*].
- 
Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v5p[0-9]*].
- 
Tapsell, R. F., Monarchs, Rulers, Dynasties and Kingdoms of the World.  New York: Facts on File Publications, 1983. Information from this source tagged as [Ref: Tapsell Dynasties p[0-9]*].
- 
Watney, Vernon James, The Wallop Family and their Ancestry, Oxford:John Johnson, 1928. LDS Film#1696491 items 6-9. NYPL ARZ+ (Wallop) (Watney, V. J. Wallop family). Available at https://familysearch.org/search/catalog/213421. Information from this source tagged as [Ref: Watney WALLOP #[0-9]*].
- 
Weis, Frederick Lewis, Walter Lee Sheppard, Jr, David Faris, Ancestral Roots of Certain American Colonists who came to America before 1700, 7th Edition, Baltimore: Genealogical Publishing Co, 1992. Information from this source tagged as [Ref: Weis AR7 #[0-9][0-9]*[A-Z]*].
- father: 
- [Ref: Moriarty Plantagenet p127]
Sources with Inaccurate birth and parent Information
- father: 
- Gerald I Count of Guelders, d.1118 [Ref: Tapsell Dynasties p225]
Sources for death Information
- date: 
- 1129/38 [Ref: ES II #76]
-       1131 [Ref: Tapsell Dynasties p226]
-       24 Oct 1129/41 [Ref: Moriarty Plantagenet p127]
-       occ 1131, d vor 9.IV 1138 [Ref: ES XVIII #26]
-       vor 1138 [Ref: ES VI #25]
Sources with Information about marriage to unknown
- names: 
- Gerald Flaminus & unk first wife [Ref: ES XVIII #26 (with corr in
XIX)],
- child: 
- [Ref: CP XII/1 p764, ES XVIII #26 (with corr in XIX), Moriarty
Plantagenet p124, Moriarty Plantagenet p127, Moriarty Plantagenet p160,
Richardson RoyalAnc v5p170, Watney WALLOP #408, Weis AR7 #163]
Sources with Information about marriage to Clementia Of Poitou
- date: 
- nach 1086 [Ref: ES VI #128, ES VI #25]
-       second marriage of Clemence [Ref: ES II #76, Moriarty Plantagenet p36]
-       second marriage of Gerald [Ref: ES XVIII #26 (with corr in XIX)],
- names: 
- [Ref: ES XVIII #26, Moriarty Plantagenet p127]
Sources with Inaccurate marriage information
- child: 
- Henry Count of Guelders (#14502) [Ref: Tapsell Dynasties p226]
-        Jutta (#90111), Gerard II (#22119), Yolanda (#11407), Henry Count of
Guelders (#14502) [Ref: Moriarty Plantagenet p127]
Research Notes:
Count of Guelders [Ref: Richardson RoyalAnc v5p170, Tapsell Dynasties p226,
Weis AR7 #163]
Count of Guelders ad Wassenberg [Ref: ES XVIII #26, Moriarty Plantagenet p127]
1118-1131: Count of Gelders [Ref: Tapsell Dynasties p226]
built the castle of Wassenberg, between the Rhine and the Meuse, in 1085 [Ref:
Moriarty Plantagenet p127]
  
Pedigree of Gerald I Count Of Guelders And Wassenberg
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(Unk)  
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Gerard Flameus Count Of Teirterbant
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Dietrich Flameus Count In The Velux
Gerald I Count Of Guelders And Wassenberg
  Descendants of Gerald I Count Of Guelders And Wassenberg
2nd generation 
3rd generation 
4th generation 
5th generation