John of Warkworth Fitz Robert
- 1240(
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- 1 John of Warkworth Fitz Robert [1] d. 1240
- Ada de Baliol d. 1251
- 2 Roger Fitz John [1.1] d. 1249
- Mrs. Isabel Fitz John d. Y
- 3 Baron Robert Fitz Roger [1.1.1] b. 1247 d. 1310
- Margery de la Zouche
- 4 Euphemia de Clavering [1.1.1.1] d. 1331
[ =>]
- 4 Euphemia de Clavering [1.1.1.1]
- 3 Baron Robert Fitz Roger [1.1.1]
- 2 Roger Fitz John [1.1]
