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Family:
Bibliography
  1. Richardson, Douglas, Robert and Roger de Chester, Knights, Brothers of John de Lacy. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 9/27/2005. Subject: Evidence re. the identity of Alan Fitz Roland'as first wife, _____ de Lacy. Available at https://groups.google.com/g/soc.genealogy.medieval/c/9BAY_DsMU30/m/-gPq5rP8YzMJ. Author address: royalancestry at msn dot com. Information from this source tagged as [Ref: Douglas Richardson SGM 9/27/2005-005821].

Sources for birth and parent Information
date:
younger brother of John [Ref: Douglas Richardson SGM 9/27/2005-005821],
parents:
[Ref: Douglas Richardson SGM 9/27/2005-005821]
Research Notes:
John de Lacy's two brothers, Roger and Robert, witnessed John de Lacy's charter dated before 1232 as "Roger and Robert de Chester, knights" [Reference: Richard Holmes, ed. The Chartulary of St. John of Pontefract (Yorkshire Arch. Soc. Record Series 25) (1899): 38-39]. [Ref: Douglas Richardson SGM 9/27/2005-005821]



Pedigree of Sir Robert De LACY
                                                       /-----Ranulf The Moneyer
                                              /-----Richard FITZRANULF
                                     /-----John FITZRICHARD
                            /-----Eustace Fitz John De BURGO, Constable Of Chester
                   /-----Richard FITZ EUSTACE, Constable Of Chester
                  |        |                  /-----Nigell De HALTON, Constable Of Chester
                  |        |         /-----William FITZ NIGEL, Constable Of Chester
                  |         \-----Agnes De HALTON
                  |                 |         /-----Yarfield Of Widness
                  |                  \-----Adeliz Of Widness
          /-----John Fitz Richard, Constable Of Chester
         |        |                           /-----(Unk) De LISOURS
         |        |                  /-----Fulk De LISOURS
         |        |         /-----Robert LIZOURS
         |        |        |         \-----Aubrey
         |         \-----Albreada LIZOURS, Baroness Of Pontfract
         |                 |                           /-----Hugh De LACY
         |                 |                  /-----Ilbert De LACY, Baron Of Pontefract
         |                 |                 |        |         /-----Ilbert Marshal
         |                 |                 |         \-----Emma
         |                 |         /-----Robert De LACY, Baron Of Pontefract
         |                 |        |         \-----Hawise
         |                  \-----Aubrey De LACY
         |                           \-----Maud
 /-----Roger De LACY, Baron Of Pontefract
|        |                           /-----(Unk) De CANTELOWE
|        |                  /-----Richard
|        |         /-----Roger FITZ RICHARD, Baron Of Warkworth
|        |        |        |                  /-----Robert Le BIGOT
|        |        |        |         /-----Roger BIGOD, Baron Of Framlingham
|        |        |         \-----Jane BIGOD
|        |        |                 |                           /-----Ralph II De TOENI, Seigneur Of Tonsi And Conches
|        |        |                 |                  /-----Roger I De TOENI
|        |        |                 |         /-----Robert De TOENI, Lord Of Belvoir
|        |        |                 |        |        |         /-----Raimond Borrel Count Of Barcelona
|        |        |                 |        |         \-----Stephanie Of Barcelona
|        |        |                 |        |                  \-----Ermisende
|        |        |                  \-----Alice De TOENI
|        |        |                           \-----Adelais
|         \-----Alice Fitz Roger
|                 |                  /-----Alberic De VERE, Baron Of Hedingham
|                 |         /-----Alberic II De VERE, Baron Of Hedingham
|                 |        |         \-----Beatrix
|                  \-----Alice De VERE
|                          |                                    /-----Godfrey Count Of Brionne
|                          |                           /-----Gilbert Count Of Brionne
|                          |                  /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
|                          |         /-----Gilbert FITZ RICHARD, Baron Of Clare
|                          |        |        |                  /-----Osbern De Bolbec, Seigneur Of Longueville
|                          |        |        |         /-----Walter Giffard Lord Of Longueville
|                          |        |        |        |         \-----Wevie
|                          |        |         \-----Rohese GIFFARD
|                          |        |                 |         /-----Gerard De FLEITELL
|                          |        |                  \-----Ermengarde FLATEL
|                           \-----Adeliza De CLARE
|                                   |                           /-----Hugh Butler Of France
|                                   |                  /-----Renaud Count Of Clermont
|                                   |         /-----Hugh Count Of Clermont
|                                   |        |         \-----Ermengardis
|                                    \-----Adeliza De CLERMONT
|                                            |                  /-----Hildouin II De Rameru
|                                            |         /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
|                                            |        |         \-----Anonima
|                                             \-----Margaret De Roucy
|                                                     |         /-----Ebles I Count Of Rheims And Roucy
|                                                      \-----Adele De Roucy
|                                                               \-----Beatrix Of Hainault
Sir Robert De LACY
|                                                      /-----Hildouin Count Of Bretemil
|                                             /-----Eberhard Count Of Bretemil
|                                            |        |         /-----Forscher Vicomte De Chartres
|                                            |         \-----Emeline
|                                    /-----Hugh I Vicount Of Chartres, Chatelain Of Puiset
|                                   |         \-----Humberge
|                           /-----Ebrard III Seigneur De Puiset
|                          |        |                  /-----Milon I Seigneur De La Ferte
|                          |        |         /-----Guy Seigneur De Montchery And Bray
|                          |        |        |        |         /-----Thibaud Seigneur Of Montchery And Cheverouse
|                          |        |        |         \-----(Unk Dau)
|                          |         \-----Alix Of Monthlery
|                          |                 |         /-----William Lord Of Burea
|                          |                  \-----Hodierna De La Ferte
|                  /-----Hugh III Seigneur De Puiset, Vicount Chartres
|                 |        |                                    /-----Mauger Count Of Corbeil
|                 |        |                           /-----William Count Of Corbeil
|                 |        |                          |         \-----Germaine Of Corbeil
|                 |        |                  /-----Renaud Of Corbeil
|                 |        |         /-----Bouchard II Count Of Corbeil
|                 |         \-----Adelaide Of Corbeil
|                 |                  \-----Adelaide De Crecy
|         /-----Ebrard IV Seigneur De Puiset, Vicount Chartres
|        |        |                                             /-----Theobald I Le Tricheur Count Of Blois
|        |        |                                    /-----Eudes I Count Of Blois
|        |        |                                   |         \-----Luitgarde De Vermandois
|        |        |                           /-----Eudes II Count Of Blois
|        |        |                          |        |         /-----Conrad The Peaceful King Of Burgundy
|        |        |                          |         \-----Bertha Of Burgandy
|        |        |                          |                  \-----Matilda Of France
|        |        |                  /-----Theobald III Count Of Blois And Champagne
|        |        |                 |        |                  /-----William V Count Of Auvergne
|        |        |                 |        |         /-----Robert I Count Of Auvergne
|        |        |                 |        |        |         \-----Umberge
|        |        |                 |         \-----Ermengarde Of Auvergne
|        |        |                 |                 |         /-----Stephen De Brioude
|        |        |                 |                  \-----Ermengarde
|        |        |                 |                           \-----Adelaide (Blanch) Of Anjou
|        |        |         /-----Stephen Count Of Blois, Leader Of First Crusade
|        |        |        |        |                           /-----Hugh II Count Of Maine
|        |        |        |        |                  /-----Hugh III Count Of Maine
|        |        |        |        |         /-----Herbert Count Of Maine
|        |        |        |         \-----Garsend Of Maine
|        |         \-----Agnes
|        |                 |                                    /-----Richard I The Fearless Duke Of Normandy
|        |                 |                           /-----Richard II The Good Duke Of Normandy
|        |                 |                          |         \-----Gunnora
|        |                 |                  /-----Robert I The Devil Duke Of Normandy
|        |                 |                 |        |         /-----Conan I Duke Of Brittany
|        |                 |                 |         \-----Judith Of Brittany
|        |                 |                 |                  \-----Ermengarde Of Anjou
|        |                 |         /-----William The Conqueror King Of England
|        |                 |        |        |         /-----Fulbert Of Falaise
|        |                 |        |         \-----Herleve Of Falaise
|        |                 |        |                  \-----Duxia
|        |                  \-----Adela
|        |                          |                           /-----Arnold II The Young Count Of Flanders
|        |                          |                  /-----Baldwin IV The Bearded Count Of Flanders
|        |                          |                 |         \-----Rosela Of Italy
|        |                          |         /-----Baldwin V Count Of Flanders
|        |                          |        |        |         /-----Frederick I Count Of Luxemburg
|        |                          |        |         \-----Ogive Of Luxembourg
|        |                          |        |                  \-----Ermentrude Of Kinziggau
|        |                           \-----Maud Of Flanders
|        |                                   |                  /-----Hugh Capet King Of France
|        |                                   |         /-----Robert II The Pious King Of France
|        |                                   |        |         \-----Adelaide Of Poitou
|        |                                    \-----Adelaide Of France
|        |                                            |         /-----William I Count Of Aries And Provence
|        |                                             \-----Constance Of Provence
|        |                                                      \-----Adelaide (Blanch) Of Anjou
 \-----Maud De CLERE
          \-----Heloise De ROUCY



Descendants of Sir Robert De LACY
1. Sir Robert De LACY