Hamelin Plantagenet 5th Earl of Surrey ^{1 2 3}

   Other names for Hamelin were Hamelin Earl of Surrey and Hamelin de Warenne 5th Earl of Surrey.

  Research Notes:

Natural son of Geoffrey V (Plantagenet). Second husband of Isabel de Warenne.

From http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=:3174654&id=I593872178 :

Earl of Surrey, Count of Anjou and Maine, Viscount of Touraine and [illegitimate] half-brother of Henry II, King of England. Hamelin supported Henry II against the rebellion by his sons in 1173. In 1176, he escorted Henry's daughter Joan for her marriage to the King of Sicily. Hamelin was present at the Coronation of Richard I and was opposed to the rule of John while Richard was on crusade and later, imprisoned. In 1193, Hamelin was one of the Treasurers for the ransom of the King. Hamelin also attended the Coronation of King John in 1199. Hamelin was the benefactor of quite a number of Abbeys, Priorys and other religious communities in both England and France.
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From Wikipedia - Elizabeth of Vermandois:

Isabelle de Warenne, Countess of Surrey married 1stly
William, Count of Boulogne (dsp), yr son of King Stephen, and married 2ndly
Hamelin Plantagenet , an illegitimate half-brother of King Henry II of England by whom she had issue, later earls of Surrey and Warenne.

From Wikipedia - Hamelin de Warenne, 5th Earl of Surrey :
Hamelin de Warenne[citation needed ] (Plantagenet) 1129 - May 7 , 1202 ) was an English nobleman who was prominent at the courts of the Angevin kings of England , Henry II , Richard I , and John .

He was an illegitimate son of Geoffrey of Anjou , and thus a half-brother of King Henry II , and an uncle of Richard the Lionheart and King John . His half-brother Henry gave him one of the wealthiest heiresses in England, Isabella de Warenne , in her own right Countess of Surrey. She was the widow of William of Blois . Hamelin and Isabella married in April 1164, and after the marriage he was recognized as Comte de Warenne, that being the customary designation for what more technically should be Earl of Surrey . In consequence of the marriage Hamelin took the de Warenne toponymic, as did his descendants. He and Isabella would have four children.

Warenne land in England centered around Conisbrough in Yorkshire , a location in which Hamelin built a powerful castle. He also possessed the third penny (entitlement to one third of the fines levied in the county courts) of County Surrey and held the castles of Mortemer and Bellencombre in Normandy .

Hamelin joined in the denunciations of Thomas Becket in 1164, although after Becket's death he became a great believer in Becket's sainthood, having, the story goes, been cured of blindness by the saint's help. In 1176, he escorted his niece Joan of England to Sicily for her marriage.

He remained loyal to Henry through all the problems of the later part of the king's reign when many nobles deserted him, and continued as a close supporter of his nephew Richard I. During Richard's absence on the Third Crusade , he took the side of the regent William Longchamp . Hamelin appeared in the 2nd coronation of King Richard in 1194 and at King John's coronation in 1199.

He died in 1202 and was buried at the Chapter House at Lewes Priory , in Sussex . He was succeeded by his son William de Warenne, 6th Earl of Surrey . A daughter, named Adela, was the mistress of her cousin King John of England, and by him the mother of Richard Fitz Roy .

Hamelin married Isabelle de Warenne Countess of Surrey, daughter of William de Warenne 3rd Earl of Surrey and Warenne and Ela Talvas of Alençon and Ponthieu, in Apr 1164. (Isabelle de Warenne Countess of Surrey died on 13 Jul 1199.)