Mary de Vernon Reviers
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- 1 Mary de Vernon Reviers [1]
- Lord of Okehampton Robert Courtenay b. 1160 d. 26 Jul 1242
- 2 2nd Baron of Okehampton John Courtenay [1.1] b. 1218 d. 3 May 1274
- Isabel de Vere b. 1227 d. 11 Aug 1279
- 3 Hugh Courtenay [1.1.1] b. 25 Mar 1249 d. 28 Feb 1291
- Eleanor Le Despencer
- 4 Evelina Courtenay [1.1.1.1] b. 1279 d. 1335
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- 4 Evelina Courtenay [1.1.1.1]
- 3 Hugh Courtenay [1.1.1]
- 2 2nd Baron of Okehampton John Courtenay [1.1]