Reviers/Vernon, Earls of Devon
Richard de Reviers [a], Seigneur de Reviers, Vernon, and Nehou, b abt 1072, Normandy, d 8 Sep 1107. He md Adelise Peverel abt 1093, daughter of William Peverel and Adeline. She was b abt 1077, d 27 May 1156.
Children of Richard de Reviers and Adelise Peverel were:
  • Hawise/Maud de Reviers b abt 1098, Isle of Wight, Hampshire, England; md William de Roumare abt 1013.
  • Baldwin de Reviers, Earl of Devon, b abt 1100. See LINE A
  • William de Vernon, b abt 1105. See LINE B
Sir Baldwin de Reviers [b], Earl of Devon, b abt 1100, Isle of Wight, Hampshire, England, d 4 Jun 1155. He md Adelise abt 1124. She was b abt 1110.
Children of Baldwin de Reviers and Adelise were:
  • Hawise de Reviers b abt 1127, of Hampshire, England. She md Robert Fitz Robert abt 1140, son of Sir Robert de Caen, Earl of Gloucester, and an unknown mistress.
  • Eva de Reviers b abt 1132, of Hampshire, England; md Anschetil de Grey abt 1145.
  • Sir William de Vernon b 1155.

Sir William de Vernon [c], Earl of Devon, Lord of the Isle of Wight, b 1155, d Sep 1217, of Devon, England. He md Maud/Mabel de Beaumont abt 1185, daughter of Sir Robert de Beaumont, Count of Meulan, and Maud Fitz Roy.
Child of William de Vernon and Maud/Mabel de Beaumont was:

Mary de Vernon/Reviers b abt 1196, Okehampton, Devonshire, England. She md Sir Robert de Courtenay, Knight, abt 1209, son of Sir Renaud de Courtenay and Hawise de Courcy.

William de Vernon b abt 1105, d 1174. He md Lucy de Tancarville 1124. She was b abt 1107, d abt 1164/65.
Child of William de Vernon and Lucy de Tancarville was:

Maud de Vernon b abt 1130. She md Richard de la Haye 1146. Their daughter, Nichola de la Haye, md Gerard de Camville abt 1165, son of Richard de Camville.

a. While his parentage is unproven, it is conjectured that he was son of William de Vernon by his wife Emma, sister of William Fitz Osbern, based upon a charter of Henry I and several other records, which state relationships, but interpretations of which are not always reliable; Robert de Torigny's continuation also alludes to a somewhat similar relationship. Richard appears in Domesday as the holder of a single manor, Mosterton, in Dorset. He is esteemed the founder of the Abbey of Montebourg, which had originally been founded by the Conqueror, but to which Richard added lands of which it had been deprived and made fresh grants. He married Adelise, daughter of William Peverel, the elder, of Nottingham, who survived him, as well as her eldest son, Baldwin. In addition to son Baldwin, they had William, Seigneur de Vernon, who married Lucy, daughter the Chamberlain, William de Tancarville; Robert de Ste. Mere-Eglise; and Hawise, wife of William, Earl of Roumare.

b. He was one of the first to revolt upon hearing the rumor of the King's death in Apr 1136, whereupon he seised the royal castle of Exeter. He sustained a long siege by the King and was eventually allowed to withdraw his forces on giving up the castle. The King then proceeded to the Isle of Wight, where he took possession of the island, and drove Baldwin, his wife and children, into exile. They took refuge at the Court of the Count of Anjou, and not long after, Baldwin conducted a successful raid into Normandy, where in 1138 he was captured and taken prisoner by Enguerrand de Say, a partisan of King Stephen. He returned to England in the fall of 1139, just before the arrival of the Empress Maud, and upon landing at Wareham, he seized teh castle of Corfe, which he successfully defended against the King, forcing him eventually to raise the siege. He was created Earl of Devon by the Empress, probably in 1141. He married Adelise, and was buried at Quarr Abbey, which he had founded in 1132.

d. Third, but only surviving son of his father, he took part in Richard's second Coronation 17 Apr 1194, being one of the four Earls who bore the canopy, and he was a consistent supporter of King John. He married Mabirie, or Mabel, daughter and heir of Robert de Beaumont, last Count of Meulan. She was still living 1 May 1204.

CP: Vol IV[309-316]; AR: Line 50[27-28].
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