~1182, Gilbert born in England, s/o 39979056. Richard de Clare & 39979057. Countess Amicia of Gloucester.
10/9/1200, Isabella born at Pembroke castle, England, d/o 94559174. William Marshall & 94559175. Isabel de Clare.
6/1202, Gilbert entrusted with the lands of Harfleur and Mostrevilliers, France.
1210-11, Gilbert granted Welsh lordships by King John and fortified the castle of Buelth.
6/19/1215 at Runnymede near Windsor, King John forced to agree to the terms of the Magna Carta.
5/12/1216, Prince Louis [future VIII] of France, after a successful landing, crowned King of England in London. In June, Louis captured Winchester and controlled half of England.
11/9/1215, at Runnymede, Gilbert, 1 of only 25 Barons selected by the rest [his father was also selected], to enforce the Magna Carta. (S) An Historical Essay on the Magna Charta of King John, Thompson, 1829, PP301–3.
12/16/1215, Gilbert excommunicated by the Pope.
10/18/1216, King John died.
10/28/1216 at Gloucester, Henry, 9 years old, crowned King Henry III.
5/19/1217, Gilbert, championing Louis the Dauphin as heir to the crown over Henry III; fighting at Lincoln under the Baronial banner; taken prisoner by his future father-in-law William Marshall.
[––Gilbert & Isabela––]
10/9/1217, Gilbert married Isabella. [Likely part of the agreement for his release.]
11/1217, With the death of his father, Gilbert recognized as Earl of Hertford.
1/1218, John de Brewes and his brothers released as hostages after intercession by their uncle, Gilbert de Clare.
1219, Gilbert recognized as Earl of Gloucester in right of his maternal descent through his mother and an aunt.
4/8/1219, Phillip of Hertford and Beatrice, his wife, give the king 40s for summoning Gilbert earl of Gloucester before the justices at Westminster. (S) FRsHIII.
4/25/1220, Gilbert earl of Gloucester has made fine with the king by 100m., …, for having custody of the lands and heirs of Walter de Treyly, with the marriage of the heirs. (S) FRsHIII.
1220, In a letter to King Henry III, Hugh de Vivon explained his reasons for not returning Bristol castle to Gilbert de Clare, earl of Gloucester, including the fact that his loyalty to Henry himself and to his father John had cost him his own “rich and fertile lands” at home across the seas.
7/1222, Gilbert ordered by the King to stop attacking Dinaunt Powys castle in Wales.
5/10/1223, Baldwin de Guines, son and heir of Ernald, formerly count de Guines, has made fine with the king by £100 … Pledges for Baldwin … G. earl of Gloucester for £20. W. earl of Salisbury for £20. Peter de Maulay for £10. William Bardolf for £10. Aymer de St. Amand for £10. Robert Aguillon for £10. Robert Marshal for £10 … (S) FRsHIII.
5/2/1224, Order to cause G. earl of Gloucester to have 5 tuns of the 40 tuns of wine that he lately took to the king’s use in the vill of Bristol at the same market price. (S) FRsHIII.
11/1224, Gilbert, earl of Gloucester, held the market at Great Bardfield, Essex. (S) Gaz. of Markets and Fairs.
1225, King Henry reissued the Magna Carta, which became the official text. (S) Hist. Essay on the Magna Charta of King John, Thomson, 1829, P130. [Witnesses: … Hubert de Burgh, the King’s Justiciary; Randolph Earl of Chester and Lincoln, William Earl of Salisbury, William Earl of Warren, Gilbert de Clare Earl of Gloucester and Hertford, William de Ferrers Earl of Derby, William de Mandeville Earl of Essex, Hugh le Bigod Earl of Norfolk, William Earl of Ablemarle, Humphrey Earl of Hereford, John Constable of Chester, Robert de Ros, Robert fitz Walter, Robert de Vipont, William de Brewer, Richard de Montifichet, Peter Fitz Herbert, Matthew Fitz Herbert, William de Albiniac, Robert Gresley, Reginald de Bruce, John de Monmouth, John Fitz Alan, Hugh de Mortimer, Walter de Beauchamp, William de Saint John, Peter de Mauley, Brian de Lisle, Thomas de Muleton, Richard de Argentine, Walter de Neville, William Mauduit, John de Baalun.]
10/29/1226, G. de Clare, earl of Gloucester, has made fine with the king by 2000m. for marrying his first-born daughter to Baldwin, son of Baldwin de Redvers, son of William de Redvers, earl of Devon, and for having 200 librates of land in simple custody, without Robert de brusthe castle, from the land formerly of the aforesaid W. earl of Devon until the aforesaid Baldwin comes of age. (S) FRsHIII.
1227, Gilbert supported Richard, Earl of Cornwall, the King’s brother, in a dispute with Henry III over the forest laws and misgovernment by Hubert de Burgh.
1228, King Henry and his court arrived on the border with Wales at Montgomery castle to negotiate.
9/3/1228, Marcher barons were called into service when the negotiations were not going well. The next day King Henry sent a summons to more than 100 others that went into battle against the Welsh [the 1st documented general call to military service of the king.]
1228, Gilbert led an army against the Welsh and captured Morgan Gam, who was released the next year.
1228, Gilbert discovered iron, lead and silver mines in Wales.
4/30/1230, from Portsmouth, King Henry, with the help of Mauclerc, Count of Brittany, invaded Brittany in hopes of recovering Normandy. They established their camp at Nantes, and captured a small castle.
10/25/1230, Gilbert died at Penros, Brittany, France; his body conveyed by way of Plymouth and Cranbourn to Tewkesbury; buried before the high altar 11/10/1230.
3/30/1231, Isabella married 2nd Earl Richard of Cornwall (23640580), brother of Henry III. [4 children, none surviving.] They lived at Wallingford castle, Berkshire [now Oxfordshire.]
1/17/1239, Isabella, countess of Gloucester, Hertford, Cornwall and Poitiers, died in childbirth at Berkhampstead, Hertfordshire. She ordered her heart be sent to her brother, the abbot of Tewkesbury, to be buried with her 1st husband. Her body was buried at Beaulieu Abbey. (S) The History of Tewkesbury, Bennett, 1830, P173.
(S) Magna Carta Ancestry, P194.
· 11/6/1231, H. de Burgh, earl of Kent and justiciar of England , has made fine with the king by 7000m. for having custody of the lands formerly of G. de Clare, earl of Gloucester and Hertford, until the earl’s heirs come of age, with the custody and marriage of the same heirs. (S) FRsHIII.
Children of Gilbert and Isabella: [3 sons, 3 daughters]
i. Amice de Clare, born 1218 in England.
Amice married Baldwin de Redvers, earl of Devon.
ii. Richard de Clare (9994764), born 8/4/1222 in England.
iii. Isabel de Clare, born 1226 in England.
Isabel married Robert de Brus, lord of Annandale.