Paternal Family Tree: Montagu
Maternal Family Tree: Sibylla Tregoz Baroness Grandison
Around 1320 [her father] William Montagu 1st Earl Salisbury (age 19) and [her mother] Catherine Grandison Countess of Salisbury (age 16) were married. She by marriage Baroness Montagu.
In or before 1324 Elizabeth Montagu Baroness Badlesmere and Despencer was born to William Montagu 1st Earl Salisbury (age 22) and Catherine Grandison Countess of Salisbury (age 19).
Around 1328 Giles Badlesmere 2nd Baron Badlesmere (age 13) and Elizabeth Montagu Baroness Badlesmere and Despencer (age 4) were married. She the daughter of William Montagu 1st Earl Salisbury (age 27) and Catherine Grandison Countess of Salisbury (age 24). He a great x 4 grandson of King Henry "Curtmantle" II of England.
In 1328 [her husband] Giles Badlesmere 2nd Baron Badlesmere (age 13) attainder reversed 2nd Baron Badlesmere. Elizabeth Montagu Baroness Badlesmere and Despencer (age 4) by marriage Baroness Badlesmere.
In 1335 William Bohun 1st Earl of Northampton (age 25) and [her sister-in-law] Elizabeth Badlesmere Countess Northampton (age 22) were married. He the son of Humphrey Bohun 4th Earl Hereford 3rd Earl Essex and Princess Elizabeth of Rhuddlan Countess Essex, Hereford and Holland. They were fourth cousins. He a grandson of King Edward I of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.
In 1336 John de Vere 7th Earl of Oxford (age 23) and [her sister-in-law] Maud Badlesmere Countess of Oxford (age 27) were married. She by marriage Countess of Oxford. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.
On 07 Jun 1338 [her husband] Giles Badlesmere 2nd Baron Badlesmere (age 23) died. Baron Badlesmere abeyant between his sisters [her sister-in-law] Margery Badlesmere Baroness Ros of Helmsley (age 29), [her sister-in-law] Maud Badlesmere Countess of Oxford (age 29), [her sister-in-law] Elizabeth Badlesmere Countess Northampton (age 25) and Margaret Badlesmere Baroness Tibetot (age 23).
Before 27 Apr 1341 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 I of England.
14 Dec 1344 Richard Fitzalan 3rd or 10th Earl of Arundel 8th Earl of Surrey (age 38) and [her sister-in-law] Isabel Despencer Countess Arundel (age 32) marriage annulled by Pope Clement VI on the grounds that he had never freely consented to marry Isabel. He, at this time, is believed to be having an affair with her first cousin Eleanor (age 26) who he married four months later.
Before 1348 [her future husband] Guy de Bryan (age 29) and Joan Carew (age 27) were married.
In 1349 [her husband] Hugh Despencer 1st Baron Despencer (age 41) died. Baron Despencer extinct.
On 11 Jun 1349 [her father] William Montagu 1st Earl Salisbury (age 48) died. His son [her brother] William Montagu 2nd Earl Salisbury (age 20) succeeded 2nd Earl Salisbury, 4th Baron Montagu. Joan "Fair Maid of Kent" Princess Wales (age 20) by marriage Countess Salisbury.
On 23 Nov 1349 [her mother] Catherine Grandison Countess of Salisbury (age 45) died at Bisham Abbey [Map].
Before 10 Jul 1350 Guy de Bryan (age 31) and Elizabeth Montagu Baroness Badlesmere and Despencer (age 26) were married. She the daughter of William Montagu 1st Earl Salisbury and Catherine Grandison Countess of Salisbury.
On 31 May 1359 Elizabeth Montagu Baroness Badlesmere and Despencer (age 35) died. Monument in Tewkesbury Abbey [Map].
On 17 Aug 1390 [her former husband] Guy de Bryan (age 71) died. Monument at Tewkesbury Abbey [Map]. Alabaster with, unusually, a portrait rather than a generic face. Early Plate Bascinet Period. He was buried at St James' Church, Slapton.
[her son] William Bryan was born to Guy de Bryan and Elizabeth Montagu Baroness Badlesmere and Despencer.
[her son] William Bryan was born to Guy de Bryan and Elizabeth Montagu Baroness Badlesmere and Despencer.
[her daughter] Phillipe Bryan was born to Guy de Bryan and Elizabeth Montagu Baroness Badlesmere and Despencer.
[her son] Guy Bryan was born to Guy de Bryan and Elizabeth Montagu Baroness Badlesmere and Despencer.
Great x 2 Grandfather: William Montagu
Great x 1 Grandfather: Simon Montagu 1st Baron Montagu
GrandFather: William Montagu 2nd Baron Montagu
Great x 1 Grandmother: Hawise St Amand
Father: William Montagu 1st Earl Salisbury
Great x 4 Grandfather: Henry Montfort
Great x 3 Grandfather: Thurstan Montfort
Great x 2 Grandfather: Peter Montfort
Great x 4 Grandfather: William Cantilupe Baron 
Great x 3 Grandmother: Mabel Cantilupe
Great x 1 Grandfather: Peter Montfort
Great x 4 Grandfather: Adam Audley 
Great x 3 Grandfather: Henry Audley
Great x 4 Grandmother: Emma Fitzorm
Great x 2 Grandmother: Alice Audley
Great x 4 Grandfather: Ralph Mainwaring
Great x 3 Grandmother: Bertrade Mainwaring
GrandMother: Elizabeth Montfort Baroness Furnivall Baroness Montagu
Elizabeth Montagu Baroness Badlesmere and Despencer
Great x 1 Grandfather: Pierre Grandison
GrandFather: William Grandison 1st Baron Grandison
Mother: Catherine Grandison Countess of Salisbury
GrandMother: Sibylla Tregoz Baroness Grandison