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Ealdred of Abingdon (-1071)

Ealdred, also called Brihtwine, was a monk and provost at Abingdon before becoming abbot in 1066; he was later implicated in the conspiracy of Bishop Æthelwine of Durham, and was deposed and died in 1071 while in the custody of Bishop Walkelin of Winchester, following imprisonment at Wallingford Castle.

Edmund of Almain, 2nd Earl of Cornwall (1249-1300)

Edmund was the second and only surviving son of Richard, 1st Earl of Cornwall and his wife Sanchia of Provence. In 1264, after his father's capture at the Battle of Lewes, Edmund was held prisoner with his father at Kenilworth Castle, being released in September 1265. Following Richard's death in 1272, Edmund was recognised as his heir, and so gained ownership of Wallingford Castle. In May 1296, Edward I entrusted prisoners captured in the Scottish campaign to Edmund's castles at Wallingford and Berkhampsted. He gave rents of £40 to support St Nicholas's College at Wallingford Castle.

Edward I (1239-1307)

Edward was the son of Henry III and Eleanor of Provence. Edward defeated Simon de Montfort at the Battle of Evesham in 1265, having previously been imprisoned (in 1264) by de Montfort at Wallingford Castle and Kenilworth Castle – de Montfort threatening to fire him out of Wallingford castle on a siege catapult. His eldest son later became Edward II.
http://www.royal.gov.uk/output/Page61.asp

Edward I

Edward the Black Prince (1330-1376)

Edward was the eldest son of Edward III and Philippa of Hainault, and father to Richard II. Edward, a military leader, died one year before his father and so never ruled as king (becoming the first English Prince of Wales to suffer that fate). Edward was created Duke of Cornwall in 1337 (the first creation of an English duke), (following an act in 1335 that formally tied the Duchy of Cornwall and the associated Honour of Wallingford to the eldest son of the king) and finally invested as Prince of Wales in 1343. Edward had been raised with his cousin Joan of Kent and married her in 1361. When in England, Edward's chief residence was Wallingford Castle.

Edward, the Black Prince

Eleanor of Aquitaine (1122-1204)

The future Henry II  married Eleanor of Aquitaine, the cast-off wife of King Louis VII of France, 18th May 1152. Their eight children included Richard Coeur de Lion  (king from 1189-1199), John Lackland (king from 1199-1216), and Prince William, Count of Poitiers, who died at Wallingford Castle aged 2 in 1156. In 1173, she incited her sons to rebel against their father, giving them military support. When the revolt failed Eleanor was put in prison, and not released until Henry died in 1189.
http://www.bbc.co.uk/history/british/middle_ages/henryii_character_01.shtml

Eleanor of Aquitane