On 30 Dec 1292 [her father] Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster (age 11) and [her mother] Maud Chaworth (age 10) were married. He the son of Edmund "Crouchback" Plantagenet 1st Earl of Leicester 1st Earl Lancaster (age 47) and Blanche Capet Queen Navarre (age 44). He a grandson of King Henry III of England.

Before 1316 Henry Hussey 2nd Baron Hussey (age 24) and [her future sister-in-law] Katherine Fitzalan (age 9) were married. She the daughter of Edmund Fitzalan 9th Earl Arundel (age 30) and Alice Warenne Countess Arundel. She a great x 5 granddaughter of King John "Lackland" of England.

On 09 Feb 1321 [her future husband] Richard Fitzalan 10th Earl Arundel 8th Earl Surrey (age 15) and Isabel Despencer Countess Arundel (age 9) were married at Havering atte Bower [Map]. She by marriage Countess Arundel Sussex. He the son of Edmund Fitzalan 9th Earl Arundel (age 35) and Alice Warenne Countess Arundel. They were half third cousin once removed. He a great x 5 grandson of King John "Lackland" of England. She a great granddaughter of King Edward "Longshanks" I of England.

After 03 Dec 1329 Gerard Lisle 1st Baron Lisle (age 25) and [her future sister-in-law] Eleanor Fitzalan (age 9) were married. She the daughter of Edmund Fitzalan 9th Earl Arundel and Alice Warenne Countess Arundel. She a great x 5 granddaughter of King John "Lackland" of England.

On 06 Nov 1330 John Beaumont 2nd Baron Beaumont (age 12) and Eleanor Plantagenet Countess Arundel and Surrey (age 12) were married. She the daughter of Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster (age 49) and Maud Chaworth. He the son of Henry Beaumont Earl Buchan (age 51) and Alice Comyn Baroness Beaumont. They were fourth cousins. He a great x 4 grandson of King Henry I "Beauclerc" England. She a great granddaughter of King Henry III of England.

On 05 Feb 1344 Richard Fitzalan 10th Earl Arundel 8th Earl Surrey (age 38) and Eleanor Plantagenet Countess Arundel and Surrey (age 25) were married at Ditton Church, Stoke Poges. She by marriage Countess Arundel Sussex. She the daughter of Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster (age 63) and Maud Chaworth. He the son of Edmund Fitzalan 9th Earl Arundel and Alice Warenne Countess Arundel. They were half third cousins. He a great x 5 grandson of King John "Lackland" of England. She a great granddaughter of King Henry III of England.

In 1347 [her step-son] Edmund Fitzalan (age 20) and Sybil Montagu were married. The difference in their ages was 22 years. She the daughter of William Montagu 1st Earl Salisbury (age 46) and Catherine Grandison Countess of Salisbury (age 43). He the son of Richard Fitzalan 10th Earl Arundel 8th Earl Surrey (age 41) and Isabel Despencer Countess Arundel (age 35). He a great x 2 grandson of King Edward "Longshanks" I of England.

Before 1353 William Latimer 4th Baron Latimer of Corby (age 22) and [her sister-in-law] Elizabeth Fitzalan (age 32) were married. She the daughter of Edmund Fitzalan 9th Earl Arundel and Alice Warenne Countess Arundel. She a great x 5 granddaughter of King John "Lackland" of England.

On 17 Feb 1359 [her son] John Fitzalan 1st Baron Arundel Baron Maltravers (age 11) and [her daughter-in-law] Eleanor Maltravers 2nd Baroness Maltravers Baroness Arundel and Cobham (age 14) were married. He the son of Richard Fitzalan 10th Earl Arundel 8th Earl 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 "Lackland" of England.

Before 1361 [her son] Henry Beaumont 3rd Baron Beaumont (age 20) and [her daughter-in-law] Margaret Vere Baroness Devereux and Beaumont were married. She by marriage Baroness Beaumont. She the daughter of John de Vere 7th Earl of Oxford and Maud Badlesmere Countess of Oxford (age 52). He the son of John Beaumont 2nd Baron Beaumont and Eleanor Plantagenet Countess Arundel and Surrey (age 42). He a great x 2 grandson of King Henry III of England. She a great x 5 granddaughter of King Henry "Curtmantle" II of England.

Before 13 Oct 1370 [her son-in-law] Thomas Holland 2nd Earl Kent (age 20) and [her daughter] Alice Fitzalan Countess Kent (age 20) were married. She by marriage Countess Kent. She the daughter of Richard Fitzalan 10th Earl Arundel 8th Earl Surrey (age 64) and 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 "Longshanks" I of England. She a great x 2 granddaughter of King Henry III of England.