After 1305 Thomas Wake 2nd Baron Wake of Liddell (age 8) and [his future sister-in-law] Blanche Plantagenet Baroness Wake Liddell were married. She by marriage Baroness Wake of Liddell. She the daughter of Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster (age 24) and Maud Chaworth (age 22). They were half third cousin once removed. He a great x 3 grandson of King John "Lackland" of England. She a great granddaughter of King Henry III of England.

Before 1306 [his father] Edmund Fitzalan 9th Earl Arundel (age 20) and [his mother] Alice Warenne Countess Arundel were married. She by marriage Countess Arundel Sussex. He the son of Richard Fitzalan 8th Earl Arundel and Alice Saluzzo Countess Arundel. They were third cousin once removed. He a great x 4 grandson of King John "Lackland" of England.

On 09 Feb 1321 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.

On 06 Nov 1330 John Beaumont 2nd Baron Beaumont (age 12) and [his future wife] 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.

Before 24 Mar 1335 [his brother-in-law] Edward Despencer (age 25) and Anne Ferrers (age 36) were married. They were second cousins. He a great grandson of King Edward "Longshanks" I of England.

In Aug 1338 Maurice Berkeley 9th and 4th Baron Berkeley (age 18) and [his sister-in-law] Elizabeth Despencer Baroness Berkeley (age 13) were married. She by marriage Baroness Berkeley Feudal Baroness Berkeley. They were half third cousin once removed. He a great x 4 grandson of King John "Lackland" of England. She a great granddaughter of King Edward "Longshanks" I of England.

Before 24 Jun 1340 John Mowbray 3rd Baron Mowbray (age 29) and [his future sister-in-law] Joan Plantagenet Baroness Mowbray (age 28) were married. She by marriage Baroness Mowbray. She the daughter of Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster (age 59) and Maud Chaworth. He a great x 4 grandson of King Henry "Curtmantle" II of England. She a great granddaughter of King Henry III of England.

Before 27 Apr 1341 [his brother-in-law] Hugh Despencer 1st Baron Despencer (age 33) and Elizabeth Montagu Baroness Badlesmere and Despencer (age 17) were married. She by marriage Baroness Despencer. She the daughter of William Montagu 1st Earl Salisbury (age 40) and Catherine Grandison Countess of Salisbury (age 37). He a great grandson of King Edward "Longshanks" I of England.

Before 10 Nov 1341 Henry Percy 11th and 3rd Baron Percy (age 20) and [his future sister-in-law] Mary Plantagenet Baroness Percy (age 21) were married. She by marriage Baroness Percy of Alnwick. She the daughter of Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster (age 60) and Maud Chaworth. They were half third cousin once removed. He a great x 5 grandson of King Henry "Curtmantle" II of 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 [his son] Edmund Fitzalan (age 20) and [his daughter-in-law] 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.

On 17 Feb 1359 [his son] John Fitzalan 1st Baron Arundel Baron Maltravers (age 11) and [his 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 [his step-son] Henry Beaumont 3rd Baron Beaumont (age 20) and 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 [his son-in-law] Thomas Holland 2nd Earl Kent (age 20) and [his 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.