Descendancy for King of the Scots King William I of Scotland: Mallory Genealogy

King of the Scots King William I of Scotland

Abt 1143 - 1214 (~ 71 years)

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1 King of the Scots King William I of Scotland ^[1] b. Abt 1143 d. 04 Dec 1214
- Isabel d'Avenel b. Aft 1143
  - 2 Isabella MacWilliam ^[1.1] b. Abt 1165 d. Abt 1240
    - Robert de Ros, Lord of Hamlake Castle b. Abt 1172 d. 1227
      - 3 Sir William de Ros ^[1.1.1] b. Bef 1200 d. Abt 1265
        
        Lucy Fitzpiers b. 1204 d. Aft 1266
        
        4 Sir William de Roos of Ingmanthorpe Sir William de Ros ^[1.1.1.1] b. Abt 1244 d. Bef 28 May 1310 [ =>]
        
        4 1st Baron de Ros Robert de Ros ^[1.1.1.2] d. 1285
      - 3 Robert de Ros ^[1.1.2] b. Abt 1223 d. 13 May 1285
        
        + Christina Bertram
      - 3 Sir Alexander de Ros ^[1.1.3] d. Abt 1306
      - 3 Peter de Ros ^[1.1.4]
    - + Robert III de Brus d. 1191
  - 2 Robert de London ^[1.2]
  - 2 Henry de Galightly ^[1.3]
  - 2 Ada FitzWilliam ^[1.4]
    - + Earl of Dunbar I Patrick b. 1152 d. 1232
  - 2 Aufrica MacWilliam ^[1.5]
    - + William de Say
- + Ermengarde de Beaumont
- + Ms. de Hythus