Genealogy of the Bryan and Martin Families
Mary de Vernon
- 1245(
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- 1 Mary de Vernon [1] d. cir 1245
- Robert Courtenay, Baron Okehampton d. 1242
- 2 John Courtenay, Baron Okehampton [1.1] d. 1274
- Isabelle de Vere d. cir 1275
- 3 Hugh Courtenay, Baron Okehampton [1.1.1] d. 1292
- Eleanora Despenser d. cir 1295
- 4 Hugh Courtenay, Earl of Devon [1.1.1.1] d. 1340
- Agnes St. John d. cir 1340
- 5 Hugh Courtenay, Earl of Devon [1.1.1.1.1] b. 1303 d. 1377
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- 5 Hugh Courtenay, Earl of Devon [1.1.1.1.1]
- 4 Hugh Courtenay, Earl of Devon [1.1.1.1]
- 3 Hugh Courtenay, Baron Okehampton [1.1.1]
- 2 John Courtenay, Baron Okehampton [1.1]