~1245, Thomas born in Tonbridge, Kent, England, s/o 9994764. Richard de Clare & 9994765. Maud de Lacy.
~1263, Juliane born in Ireland, d/o 4997414. Maurice Fitz Gerald & 4997415. Maud de Prendergast.
1257-59, Thomas studied at Oxford.
7/15/1262, Thomas’ father died, his older brother Gilbert the heir.
5/14/1264, Thomas knighted by Simon de Montfort, Earl of Leicester, before the battle of Lewes. He fought alongside his brother Gilbert against the royal forces.
5/14/1264, Lord Edward (I) and his father King Henry III captured by Montfort at the battle of Lewes, “at the Mill of the Hide”. An estimated 2700 died. Lord Edward and his knights penetrated the center of Montfort’s army, but was flanked on both sides by armored calvary.
8/25/1264, Whereas a certain ordinance or provision of peace has lately been made in the march of Wales between Simon de Monte Forti, earl of Leicester, Thomas de Clare, … and other barons on the one part, and Roger de Mortuo Mari, … and their co-marchers on the other part, … (S) CPRs.
1264-65, Thomas and Gilbert deserted the baronial cause, return support for King Henry.
2/16/1265, Prohibition to Simon de Monte Forti, earl of Leicester, Gilbert de Clare, earl of Gloucester, Robert de Veer, earl of Oxford, Hugh le Despenser, justiciary of England, Thomas de Clare, Peter de Monte Forti, … going … to Dunstaple to tourney there, upon pain of forfeiture of all lands, … (S) CPRs.
4/24/1265, Commitment … to Thomas de Clare of the castle of St. Briavels, … (S) CPRs.
5/28/1265, Lord Edward escaped captivity by feigning participation in a horse race. He had the help of Thomas de Clare.
8/4/1265, Thomas fought on the side of the King at the battle of Evesham, the defeat of Simon de Montfort. Peter de Monte Forti, the younger, was Thomas’ prisoner for 2 years until he satisfied his ransom. Peter’s father’s lands were placed in the custody of Thomas.
1265, Peter de Montfort’s lands [the elder, killed at Evesham] were placed in the custody of Thomas de Clare.
10/9/1265, Pardon to G. de Clare, earl of Gloucester and Hertford, Thomas de Clare and John Giffard, and their household ; in consideration of their aid to the king and Edward his son at the conflict at Evesham, of all trespasses … and rancor for their having adhered to Simon de Monte Forti, … against the king in the battle of Lewes ; … (S) CPRs.
8/3/1266, Grant of John de Verdon to Sir Maurice son of Gerald and lady Agnes de Valencia his wife, … Witnesses: Sir Edward and Sir Edmund, sons of Henry [III]; …; Thomas de Clare; … Maurice son of Maurice; … (S) CPRs, 11/1/1299.
10/9/1266, Commitment … to Thomas de Clare of the castle of Colecestre, … (S) CPRs.
5/22/1267, “Letters from Henry III, revoking a gift of the manor of Greatham, formerly belonging to Peter de Montfort, to Thomas de Clare …” (S) UKNA.
1267, Thomas took the cross at St. Paul’s.
1267-8, “Thomas de Clare, knight to Adam de Strattone, clerk: Grant, during the minority of John son and heir of William Marmion …” (S) UKNA.
2/3/1268, Robert Waleraund, at the instance of the king and Edward the king's son, has surrendered the manor of Alfiscotes to the use of Thomas de Clare, to whom the king has given it by charter. (S) CPRs.
9/1269, Charter of Thomas de Clare, … witnesses : Sirs Henry first-born son of the king of the Romans, … Peter de Monte Forti, Robert, his brother, … knights, … (S) CPRs.
5/12/1270, … Protection with clause volumus, for 4 years from Easter, for Robert de Ufford, crusader, who is going with the King and with Edward the king’s son to the Holy land. The like for the following crusaders … Thomas de Clare … (S) FRsHIII.
8/1270, Thomas left on crusade with Lord Edward.
9/18/1270, Grant to Thomas de Clare, gone to the Holy Land, … admitted as his attorneys for 4 years … (S) CPRs.
11/10/1270, Thomas, with Edward, arrived in Tunis.
2/1271, King Henry wrote Edward of his ill heath and asked Edward to return home. Edward did not; but he sent Thomas back to support the king.
2/15/1272, Pardon, at the instance of Thomas de Clare, to Ralph de Cressy, … (S) CPRs.
4/24/1272, Grant to Thomas de Clare, gone beyond the seas on the king’s affairs, … (S) CPRs.
5/8/1272, To Thomas de Clare. … the church of St. Andrew, Bordeaux, … complaints by the dean … by the king’s men of Gascony are being laid in the court of Philip king of France ; … appointed him with the seneschal of Gascony to hear said complaints … (S) CPRs.
5/18/1272, … land of Gascony … Thomas de Clare, the king’s secretary, whom the king has deputed in his place to further business in those parts … as the king’s lieutenant … (S) CPRs.
11/16/1272, Edward I ascended to the throne while on crusade.
1273, Thomas appointed governor of the city of London.
6/16/1273, Order to the sheriff of Cambridge to take into the king's hand the manor of Saham which the said John sold without licence to Thomas do Clare. (S) CFRs.
8/19/1274 at Westminster abbey, Edward I crowned king of England.
9/1274, Pleas before the king. Suit of Thomas de Clare against William de Valence over 1,200 marks and the custody of the castle and honour of Leghey. (S) Cal. of Doc’s Relating to Ireland, 1877, P183.
1274, Thomas sent to Ireland.
[––Thomas & Juliane––]
Bef. 2/18/1275 in Ireland, Thomas married to Juliane.
6/21/1275, Power to … justiciary of Ireland, and Thomas de Clare to treat with Thachac de Conoghor … (S) CPRs.
6/24/1275, Grant to the good men of Thomas de Clare of li Hyochil in Ireland, at the instance of the said Thomas, their lord, … (S) CPRs.
11/10/1275, Order to Thomas de Clare to deliver of all the king's castles and demesnes etc. [in counties in England] to Richard de Holebrok. (S) CFRs.
1/26/1276, Thomas granted the whole land of Thomond, Ireland by the King. Brian Rua the deposed King of Thomond, appealed to de Clare to help him regain his throne. In return Brian Rua promised that he would allow de Clare to colonise all the land between Athsollus (in Quin) and Limerick. Brian Rua and Thomas, with a strong force, expelled Toirdealbach O'Briain and recaptured Clonroad.
3/2/1276, Writing of Thomas de Clara, notifying that he has rendered into the king's hand the manors of Hampsted, Aldeworth, Cumpton and Alvescote and £15 7s. of rent in Codesmore, held in chief, … (S) CFRs.
3/4/1276, Mandate to Geoffrey de Gyenvill, justicary of Ireland, … Thomas de Clare to have the castle of Bonret … which Robert de Muscegros has quit-claimed to the king, …
5/1276, “William de Beuchamp (Beauchamp), Earl of Warwick … holds Cottesmore in Rutland in chief of the king, Thomas de Clare has given him to understand that he holds it, and has exchanged it with Robert de Mucegros, who has done homage to the king for it. He requests justice.” (S) UKNA.
1277, William de Burgh; together with assistance from the McNamara and O'Dea clans defeated the combined forces of Brian Rua and Thomas de Clare.
1277-8, “Petition of Thomas de Clare, kt, concerning the service of the King's knights in Ireland.” (S) UKNA.
11/14/1278, Charter of K. notifying that Edmund de Bassingburne having surrendered into the K.’s hands to the use of Thomas de Clare the manor of Any in Ireland, … Thomas by his charter enfeoffed Edmund; … Witnesses, … John de Vescy, … Adam de Montalt … (S) Cal. of Doc’s, Relating to Ireland: 1252-1284, GB PRO.
1280, Thomas attempted to partition Thomond to impose a settlement between opposing factions.
1280, Thomas started the construction of Quin castle. [Attacked and destroyed in 1285.]
12/16/1283, Geoffrey de Genevill (4997436) and Matilda, his wife, and Peter (2498718), their eldest son, acknowledged that they owe to William de Valencia (11820102) £1200 for the commission of lands that belonged to Maurice son of Gerald (4997414) in Ireland tenant in chief, deceased, and for the marriage of Gerald, son and heir of the said Maurice, a minor in William's wardship by the demise of Thomas de Clare, to whom the king granted the wardship and marriage. (S) CCRs.
5/5/1284, letters for Thomas de Clare and Juliana his wife, staying in England, … (S) CPRs.
1286, Thomas campaigning in Connacht with the Red Earl was promised the support of Scottish barons. (S) Wars of the Bruces, McNamee, 1997, P6.
8/29/1287, Thomas, Lord of Inchiquin and Youghal, died in Ireland during a battle of Thomond, a civil war. He was defeated by Turlough son of Teige. [Date of death is from his son Gilbert’s proof of age.]
12/11/1291, Grant to Juliana, late the wife of Thomas de Clare, in order that she may better rule and keep herself, her lands and goods, that she may marry whomsoever she will of the king’s allegiance. (S) CPRs.
Juliane married 2nd Adam de Creting.
2/16/1292, Adam de Creting and Juliana his wife, staying in England, … (S) CPRs.
5/6/1292, Protection … Adam de Creting and Juliana his wife, going to Ireland, for two years. (S) CPRs.
11/8/1295, Adam died.
12/14/1295, IPM of Gilbert de Clare, earl of Gloucester and Hertford. … Dorest: Juliana, late the wife of Thomas de Clare, is dowered of 201a. arable, 2a. meadow, and pasture for 12 oxen. (S) CIsPM.
Bef. 1297, Juliane married 3rd Sir Nicholas Avenel.
Bef. 9/24/1300, Juliane died.
(S) Magna Carta Ancestry, P34.
Children of Thomas and Juliane: [2 sons, 2 daughters]
i. Gilbert de Clare, born 1281 in Limerick, Ireland.
Gilbert one of 10 boys raised with Edward II in the king’s household.
4/14/1300, Order to the same to deliver to Gilbert de Clare, son and heir of Thomas de Clare, the lands late of his said father not committed to others, … (S) CFRs.
Gilbert married Isabel le Despenser d/o Hugh le Despencer & Isabel de Beauchamp. [No children.]
1307, Gilbert died.
11/11/1307, IPM of Gilbert son of Thomas de Clare. Essex: The office of steward of the whole of the king’s forest in Essex … Richard de Clare his brother, aged 22 and more, is his next heir. … Dorset: … Heir Richard de Clare his brother, aged 24 and more … (S) CIsPM.
ii. Richard de Clare, born 1284 in Ireland.
Child: Thomas de Clare, died 1322, his paternal aunts were his heirs.
iii. Margaret de Clare (5909951), born 4/1287 in Ireland.
iv. Maud de Clare (1249353), born by 1288 in Ireland.