John de Columbiers12
born 1254, died 1306
Philip de Columbiers12
born about 1205, died 1262
Egeline de Courtenay12
born about 1210, died about 1292
Robert de Courtenay Baron Oakhampton13
born 1183, died 27 July 1242
William Vernon Earl of Devon14
born 1155, died 14 September 1217
Maud de Beaumont14
died 1204
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