In or before 1350 [her father] John Maltravers and [her mother] Gwenllian Unknown were married. He a great x 4 grandson of King John of England.

On 17 Feb 1359 John Fitzalan 1st Baron Arundel Baron Maltravers (age 11) and Eleanor Maltravers 2nd Baroness Maltravers Baroness Arundel and Cobham (age 14) were married. He the son of Richard Fitzalan 10th Earl of Arundel 8th Earl of Surrey (age 53) and Eleanor Plantagenet Countess Arundel and Surrey (age 40). He a great x 2 grandson of King Henry III of England. She a great x 5 granddaughter of King John of England.

In 1368 [her future husband] Reginald Cobham 2nd Baron Cobham (age 19) and Elizabeth Stafford Baroness Cobham, Ferrers and Strange (age 28) were married at Lingfield, Surrey. She by marriage Baroness Cobham. She the daughter of Ralph Stafford 1st Earl Stafford (age 66) and Margaret Audley Countess Stafford. They were third cousins. He a great x 5 grandson of King John of England. She a great x 2 granddaughter of King Edward I of England.

Before 13 Oct 1370 Thomas Holland 2nd Earl Kent (age 20) and [her sister-in-law] Alice Fitzalan Countess Kent (age 20) were married. She by marriage Countess Kent. She the daughter of [her father-in-law] Richard Fitzalan 10th Earl of Arundel 8th Earl of Surrey (age 64) and [her mother-in-law] Eleanor Plantagenet Countess Arundel and Surrey (age 52). He the son of Thomas Holland 1st Earl Kent and Joan "Fair Maid of Kent" Princess Wales (age 42). They were third cousins. He a great grandson of King Edward I of England. She a great x 2 granddaughter of King Henry III of England.

In 1380 Reginald Cobham 2nd Baron Cobham (age 31) and Eleanor Maltravers 2nd Baroness Maltravers Baroness Arundel and Cobham (age 35) were married. She by marriage Baroness Cobham. They were second cousins. He a great x 5 grandson of King John of England. She a great x 5 granddaughter of King John of England.

Before 01 Aug 1385 [her son] John Fitzalan Baron Maltravers 2nd Baron Arundel (age 20) and [her daughter-in-law] Elizabeth Despencer Baroness Zouche, Harringworth, Maltravers and Arundel were married. She by marriage Baroness Maltravers, Baroness Arundel. They were half third cousins. He a great x 3 grandson of King Henry III of England. She a great x 3 granddaughter of King Edward I of England.

Around 1394 [her son-in-law] William Ros 6th Baron Ros Helmsley (age 24) and [her daughter] Margaret Fitzalan Baroness Ros of Helmsley (age 22) were married. She by marriage Baroness Ros Helmsley. She brought a 40 mark annuity to the marriage awarded to her by King Richard II of England (age 26) following the death of his wife Anne of Bohemia Queen Consort England (age 27) in whose household she had been. She the sister of the [her former brother-in-law] Earl of Arundel (age 48). He the son of Thomas Ros 4th Baron Ros Helmsley and Beatrice Stafford Countess Desmond (age 53). He a great x 3 grandson of King Edward I of England. She a great x 3 granddaughter of King Henry III of England.