Descendancy for 4th Earl of Hertford Gilbert de Clare: Mallory Genealogy

4th Earl of Hertford Gilbert de Clare

Abt 1180 - 1230 (~ 50 years)

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1 4th Earl of Hertford Gilbert de Clare ^[1] b. Abt 1180 d. 25 Oct 1230
- Countess Isabel Marshal b. 09 Oct 1200 d. 17 Jan 1240
  - 2 Agnes de Clare ^[1.1] b. 1218
  - 2 Countess of Devon Amice de Clare ^[1.2] b. Abt 1220 d. 21 Jan 1287
    - + Robert de Guines
    - + 6th Earl of Devon Baldwin de Redvers
  - 2 6th Earl of Gloucester Richard de Clare ^[1.3] b. 04 Aug 1222 d. 14 Jul 1262
    - Maud Lacy
      - 3 Gilbert de Clare ^[1.3.1] b. 02 Sep 1243 d. 07 Dec 1295
        
        + Joan Plantagenet b. Apr 1272 d. 23 Apr 1307
      - 3 Rose de Clare ^[1.3.2] b. Abt 1255 d. Aft 1316
        
        7th Baron Mowbray Roger de Mowbray b. 1254 d. 21 Nov 1297
        
        4 8th Baron Mowbray John de Mowbray ^[1.3.2.1] b. 04 Sep 1286 d. 23 Mar 1322 [ =>]
        
        4 Alexander de Mowbray ^[1.3.2.2]
  - 2 Lady of Annandale Isabel de Clare ^[1.4] b. 02 Nov 1226 d. 10 Jul 1264
    - + 5th Lord of Annandale Robert de Brus b. 1215 d. 31 Mar 1295
  - 2 William de Clare ^[1.5] b. Abt 1228 d. 1258
  - 2 Gilbert de Clare ^[1.6] b. 1229
  - 2 Henry de Clare ^[1.7]