• Born May 19, 1146 - ?, Pembrokeshire, Wales, UNITED KINGDOM
• Deceased May 21, 1219 - Caversham Manor - Caversham, RG4 7SY, Berkshire, England, UNITED KINGDOM, aged 73 years old

 Parents

 Spouses and children

 Notes

Individual Note

Fourth son of John the Marshal, and second son by his father's second wife, he was given as hostage to Stephen at the siege of Newbury, and in spite of John's bad faith, the King spared him. He waslater sent to William de Tancarville, hereditary Master Chamberlain of Normandy, with whom he remained for eight years. In 1167, Squire William returned to England and attached himself to his uncle, the Earl of Salisbury, with whom he went to Poitou in 1168, where they were ambushed, Patrick slain, and William was wounded and captured. Queen Eleanor eventually ransomed his return to England, where he was chosen by Henry as a member of that young King's household. He was knighted in 1173, and supported the King in his rebellion against Henry II. The younger Henry chose William to knight him, and on his deathbed in Jun 1183, he charged William to carry his cross to the Holy Sepulchre. When he again returned to England around 1187, the King made him a member of his household, and William was with the King in 1188 and 1189 in France. After Henry's death, Richard at once took him into favor and gave him Isabel, suo jure Countess of Strigoil (Pembroke), in marriage. Before Sep 1190 he had acquired a moiety of the lands of Walter Giffard, whereby he became Lord of Longueville, and in Mar 1193, he succeeded his brother as hereditary Master Marshal. He was present at John's coronation 27 May 1199, on which day the King girt him with the sword of the Earldom of Pembroke, and on 20 Apr 1200, he was confirmed in his office of Marshal. He served John actively in Gascony, England, and Normandy and on 22 Apr 1202 he was appointed constable of the castle of Lillebonne. In 1204 he invaded Wales, and in Jun 1205 he joined the Archbishop of Canterbury in forcing the King to abandon his projected expedition to Poitou. From 1207 to 1213 he was mostly in Ireland, and in Apr 1213, King John's desperate position forced him to recall William to England. In 1215, he supported John and was one of his representatives at Runnymeade, and was also one of the executors of the King's will. In May 1217, he routed the French and the rebel Barons at Lincoln and some months later besieged London. He founded an Austin Priory at Cartmel, a Cistercian abbey at Bannow Bay in Ireland, and priories at Wexford, Duisk, and Kilkenny, as well as being a benefactor to the abbeys of Foucarmont, Gloucester, Tintern, Nutley and St. Thomas, and the priories of Longueville, Bradenstoke, Pembroke, Stanley, Holy Trinity, St. Kevin, and the Templars, among others. He and Isabel left ten children, but of their five sons, while all grew to adulthood and married, none left any legitimate issue.

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