Descendancy for Isabel Peck: Mallory Genealogy

Abt 1264 - 1337 (~ 73 years)

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1 Isabel Peck ^[1] b. Abt 1264 d. 1337
- 3rd Baron Marmion of Winteringham Sir John Marmion b. Abt 1249 d. Bef 07 May 1322
  - 2 4th Baron Marmion of Winteringham John Marmion ^[1.1] b. Abt 1292 d. 30 Apr 1335
    - Maud de Furnival b. Abt 1280 d. Aft 1347
      - 3 Avice Marmion ^[1.1.1] b. 1309 d. Aft 20 Mar 1378
        
        2nd Baron Grey de Rotherfield John de Grey b. 09 Oct 1300 d. 01 Sep 1359
        
        4 Sir Robert de Grey ^[1.1.1.1] b. Abt 1333 d. Bef 18 Oct 1367 [ =>]
        
        4 John de Grey ^[1.1.1.2] d. 1385
      - 3 Robert Marmion ^[1.1.2]
      - 3 Joan Marmion ^[1.1.3]
        
        + John Bernack
        
        + John Folville