Peerage Record – 10725

     Elisabeth van Gelre was the daughter of Reinoud II ‘de Zwarte’ Hertog van Gelre Graaf van Zutphen and Sophie Berthout Vrouwe van Mechelen.¹ She died in 1376 at Goch, Germany.²
     She was the Abbess at Graventhal^G.¹

     Jeanne de Valois was born circa 1294. She was the daughter of Charles I de France, Comte de Valois and Marguerite d‘Anjou.^1,2 She married Guillaume V (III) d‘Avesnes, Comte de Hainaut et Graaf van Holland en Zeeland, son of Jean II d‘Avesnes, Comte de Hainaut et Graaf van Holland en Zeeland and Philippine von Luxemburg, on 19 May 1305.² She died in 1342.² She was also reported to have died on 7 March 1352.

     Sir Roger de Clarendon was born illegitimately between 1345 and 1360.¹ He was the son of Edward of Woodstock, Prince of Wales and Edith de Willesford.¹ He married Margaret Fleming, daughter of John Fleming, Baron de la Roche.¹ He died in 1402, executed.¹

     Edith de Willesford died after 1385.¹

     Margaret Fleming was the daughter of John Fleming, Baron de la Roche.¹ She married Sir Roger de Clarendon, son of Edward of Woodstock, Prince of Wales and Edith de Willesford.¹ She died in 1382.¹

     John Fleming, Baron de la Roche gained the title of Baron de la Roche.¹

     Mary de Coucy was born in April 1366 at Château de Coucy^G.^1,2 She was the daughter of Enguerrand VII de Coucy, Sire de Coucy and Isabella of England.¹ She married Henri de Bar, Marquis de Pont-à-Mousson, son of Robert I, Duc de Bar Marquis de Pont-à-Mousson, Seigneur de Cassel and Marie de Valois, in 1393.^1,2 She died in 1404.¹
     From 1393, her married name became de Bar.^1,2 In 1397 she inherited the French estates of her father.² On 15 November 1400 she sold the domain of Coucy to Louis, Duc d’Orleans.²

     Henri de Bar, Marquis de Pont-à-Mousson was born circa 1360. He was the son of Robert I, Duc de Bar Marquis de Pont-à-Mousson, Seigneur de Cassel and Marie de Valois.^2,3 He married Mary de Coucy, daughter of Enguerrand VII de Coucy, Sire de Coucy and Isabella of England, in 1393.^1,4 He died in 1401.¹
     He gained the title of Duc de Bar.⁴ He gained the title of Marquis de Pont-à-Mousson.¹

     Philippe de Coucy was born in 1367.¹ She was the daughter of Enguerrand VII de Coucy, Sire de Coucy and Isabella of England.¹ She and Robert de Vere, 9th Earl of Oxford were divorced in 1387.² She married Robert de Vere, 9th Earl of Oxford, son of Thomas de Vere, 8th Earl of Oxford and Matilda de Ufford, before 5 October 1376.² She died circa October 1411.
     After her marriage, Philippe de Coucy was styled as Countess of Oxford.³ In 1397 she inherited the English estates of her father.³

     Robert de Vere, 9th Earl of Oxford was born on 16 January 1361/62.² He was the son of Thomas de Vere, 8th Earl of Oxford and Matilda de Ufford.² He married, firstly, Philippe de Coucy, daughter of Enguerrand VII de Coucy, Sire de Coucy and Isabella of England, before 5 October 1376.² He and Philippe de Coucy were divorced in 1387.² He married, secondly, Agnes Lancerone.² He died in 1392 at Louvain, France, without issue.^1,3
     He held the office of Hereditary Master Chamberlain of England between 1371 and 1392.² He succeeded as the 9th Earl of Oxford [E., 1142] on 18 September 1371.¹ He was appointed Knight in 1377.² He was appointed Knight, Order of the Garter (K.G.) circa 1385.² He was created 1st Marquess of Dublin [England] on 1 December 1385, for life.² In 1386 His Marquessate of Dublin was withdrawn.² He was created 1st Duke of Ireland [England] on 13 October 1386, for life.¹ He held the office of Chief Justice of Chester in September 1387.² He held the office of Chief Justice of North Wales in October 1387.² He was forced to flee overseas after his repudiation of his wife, due to the enmity it aroused among King Richard II’s uncles.³ He was declard guilty of treason and his honours and property forfeited.³ His marriage to Agnes Lancerone was annulled in 1398.²