| Renard de Courtenay ( - 1194) |
William de Riviers (or Vernon) Earl of Devon ( - 1217) |
| Hawise Lady of Okehampton ( - 1219) |
Mabel de Meulan ( - >1204) |
| Robert de Courtenay | Mary de Riviers (or Vernon) Countess of Devon |
| b. d. 26 Jul 1242 . Of Okehampton, Devon. |
b. d. aft Nov 1242 . Yst dau and, in her issue, sole heir. |
| > John de Courtenay < > Hawise de Courtenay < |