On 26 Aug 1308 [her grandfather] Edmund Stafford 1st Baron Stafford (age 36) died. His son [her father] Ralph Stafford 1st Earl Stafford (age 6) succeeded 2nd Baron Stafford.
Around 1326 [her father] Ralph Stafford 1st Earl Stafford (age 24) and Katherine Hastings Baroness Stafford (age 22) were married. She by marriage Baroness Stafford. She the daughter of John Hastings 2nd Baron Hastings 14th Baron Bergavenny and Juliana Leybourne Countess Huntingdon (age 23).
Before 06 Jul 1336 [her father] Ralph Stafford 1st Earl Stafford (age 34) and [her mother] Margaret Audley Countess Stafford (age 18) were married. She by marriage Baroness Stafford. She the daughter of Hugh Audley 1st Earl Gloucester (age 45) and Margaret Clare Countess Gloucester. She a great granddaughter of King Edward "Longshanks" I of England. 
In 1344 Joan Stafford Baroness Cherleton Baroness Talbot was born to Ralph Stafford 1st Earl Stafford (age 42) and Margaret Audley Countess Stafford (age 26) at Staffordshire. She a great x 2 granddaughter of King Edward "Longshanks" I of England.
On 10 Nov 1347 [her grandfather] Hugh Audley 1st Earl Gloucester (age 56) died at Tonbridge, Kent [Map]. He was buried at Tonbridge Priory, Kent [Map]. Earl Gloucester extinct. His daughter [her mother] Margaret Audley Countess Stafford (age 29) succeeded 2nd Baroness Audley Stratton Audley in Oxfordshire.
Around 1349 [her mother] Margaret Audley Countess Stafford (age 31) died.
On 05 Mar 1350 [her father] Ralph Stafford 1st Earl Stafford (age 48) was created 1st Earl Stafford.
Around 1352 [her daughter] Joan Charleton was born to John Charleton 3rd Baron Cherleton (age 16) and Joan Stafford Baroness Cherleton Baroness Talbot (age 8). She a great x 3 granddaughter of King Edward "Longshanks" I of England.
Around 1356 [her daughter] Jane Charleton Baroness Strange Knockin was born to John Charleton 3rd Baron Cherleton (age 20) and Joan Stafford Baroness Cherleton Baroness Talbot (age 12). She a great x 3 granddaughter of King Edward "Longshanks" I of England.
On 23 Oct 1356 Richard Talbot 2nd Baron Talbot (age 51) died. His son Gilbert Talbot 3rd Baron Talbot (age 24) succeeded 3rd Baron Talbot. Joan Stafford Baroness Cherleton Baroness Talbot (age 12) by marriage Baroness Talbot.
On 30 Aug 1360 John Charleton 2nd Baron Cherleton died. On 30 Aug 1360 His son John Charleton 3rd Baron Cherleton (age 24) succeeded 3rd Baron Cherleton. Joan Stafford Baroness Cherleton Baroness Talbot (age 16) by marriage Baroness Cherleton.
On 25 Apr 1362 [her son] John Charleton 4th Baron Cherleton was born to John Charleton 3rd Baron Cherleton (age 26) and Joan Stafford Baroness Cherleton Baroness Talbot (age 18). He a great x 3 grandson of King Edward "Longshanks" I of England.
In 1370 [her son] Edward Charleton 5th Baron Cherleton was born to John Charleton 3rd Baron Cherleton (age 34) and Joan Stafford Baroness Cherleton Baroness Talbot (age 26). He a great x 3 grandson of King Edward "Longshanks" I of England.
On 31 Aug 1372 [her father] Ralph Stafford 1st Earl Stafford (age 70) died. His son [her brother] Hugh Stafford 2nd Earl Stafford (age 36) succeeded 2nd Earl Stafford, 3rd Baron Stafford. Philippa Beauchamp Countess Stafford (age 38) by marriage Countess Stafford.
Around 1374 [her daughter] Joan Charleton (age 22) died.
On 13 Jul 1374 John Charleton 3rd Baron Cherleton (age 38) died. His son [her son] John Charleton 4th Baron Cherleton (age 12) succeeded 4th Baron Cherleton.
In or before 1380 [her son-in-law] John Strange 6th Baron Strange Knockin (age 29) and [her daughter] Jane Charleton Baroness Strange Knockin (age 23) were married. She by marriage Baroness Strange Knockin. They were fourth cousins. She a great x 3 granddaughter of King Edward "Longshanks" I of England. 
Around 1380 [her daughter] Jane Charleton Baroness Strange Knockin (age 24) died.
In 1397 Joan Stafford Baroness Cherleton Baroness Talbot (age 53) died.
Gilbert Talbot 3rd Baron Talbot and Joan Stafford Baroness Cherleton Baroness Talbot were married. She the daughter of Ralph Stafford 1st Earl Stafford and Margaret Audley Countess Stafford. They were fourth cousins. She a great x 2 granddaughter of King Edward "Longshanks" I of England.
John Charleton 3rd Baron Cherleton and Joan Stafford Baroness Cherleton Baroness Talbot were married. She the daughter of Ralph Stafford 1st Earl Stafford and Margaret Audley Countess Stafford. He a great x 5 grandson of King John "Lackland" of England. She a great x 2 granddaughter of King Edward "Longshanks" I of England.
Arnold St Leger and [her daughter] Joan Charleton were married. She a great x 3 granddaughter of King Edward "Longshanks" I of England. 
Paternal Family Tree: Stafford
Maternal Family Tree: Etienette Countess Provence and Arles
Descendants Family Trees:
Kings Wessex: Great x 10 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 11 Grand Daughter of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Kings Seisyllwg: Great x 13 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 11 Grand Daughter of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Kings England: Great x 2 Grand Daughter of King Edward "Longshanks" I of England
Kings Scotland: Great x 8 Grand Daughter of Malcolm III King Scotland
Kings Franks: Great x 6 Grand Daughter of Louis VII King Franks
Kings France: Great x 7 Grand Daughter of Louis "Fat" VI King France
Great x 4 Grandfather: Hervey Bagot
Great x 3 Grandfather: Hervey Stafford
Great x 4 Grandmother: Millicent Stafford
Great x 2 Grandfather: Robert Stafford
Great x 4 Grandfather: William Ferrers 3rd Earl of Derby
Great x 3 Grandmother: Petronill Ferrers Stafford
Great x 4 Grandmother: Sybil de Braose Countess Derby
Great x 1 Grandfather: Nicholas Stafford
Great x 4 Grandfather: Robert Corbet 4th Baron Caus
Great x 3 Grandfather: Thomas Corbet 5th Baron Caus
Great x 2 Grandmother: Alice Corbet
GrandFather: Edmund Stafford 1st Baron Stafford
Great x 3 Grandfather: Thomas Clinton of Coleshill
Great x 2 Grandfather: Thomas Clinton
Great x 1 Grandmother: Eleanor Clinton
Father: Ralph Stafford 1st Earl Stafford 7 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Ralph Basset
Great x 3 Grandfather: Ralph Basset
Great x 2 Grandfather: Ralph Basset
Great x 1 Grandfather: Ralph Basset 1st Baron Basset Drayton 5 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Ralph Somery 1st Baron Dudley
Great x 3 Grandfather: Roger Somery 2nd Baron Dudley
Great x 4 Grandmother: Margaret Gras Baroness Dudley
Great x 2 Grandmother: Margaret Somery Baroness Basset Drayton 4 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: William D'Aubigny 3rd Earl Lincoln 3rd Earl Arundel
Great x 3 Grandmother: Nicole D'Aubigny Baroness Dudley 3 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandmother: Mabel Gernon Countess Lincoln and Arundel 2 x Great Grand Daughter of King Henry I "Beauclerc" England
GrandMother: Margaret Basset 6 x Great Grand Daughter of King Henry I "Beauclerc" England
Joan Stafford Baroness Cherleton and Talbot 2 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: Adam Audley
Great x 3 Grandfather: Henry Audley
Great x 4 Grandmother: Emma Fitzorm
Great x 2 Grandfather: James Audley
Great x 4 Grandfather: Ralph Mainwaring
Great x 3 Grandmother: Bertrade Mainwaring
Great x 1 Grandfather: Hugh Audley 1st Baron Audley Stratton Audley 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: William "Longsword" Longespee Earl Salisbury
Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: William Longespée Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Ela of Salisbury 3rd Countess of Salisbury
Great x 2 Grandmother: Ela Longespée Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Richard Camville
Great x 3 Grandmother: Idoine Camville
Great x 4 Grandmother: Eustachia Basset
GrandFather: Hugh Audley 1st Earl Gloucester 3 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Roger le Rous
Great x 1 Grandmother: Isolde le Rous 
Mother: Margaret Audley Countess Stafford Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: Richard Clare 3rd Earl Hertford
Great x 3 Grandfather: Gilbert Clare 5th Earl Gloucester 4th Earl Hertford 2 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandmother: Amice Fitzrobert Countess Hertford Great Grand Daughter of King Henry I "Beauclerc" England
Great x 2 Grandfather: Richard de Clare 6th Earl Gloucester 5th Earl Hertford 3 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: William Marshal 1st Earl Pembroke
Great x 3 Grandmother: Isabel Marshal Countess Cornwall, Gloucester and Hertford
Great x 4 Grandmother: Isabel Clare Countess Pembroke
Great x 1 Grandfather: Gilbert "Red Earl" Clare 7th Earl Gloucester 6th Earl Hertford 4 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Roger Lacy 6th Baron Pontefract 7th Baron Halton
Great x 3 Grandfather: John Lacy Earl Lincoln
Great x 4 Grandmother: Maud Clere Baroness Lacy Baroness Warkworth
Great x 2 Grandmother: Maud Lacy Countess Gloucester and Hertford 4 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Robert Quincy Earl Lincoln
Great x 3 Grandmother: Margaret Quincy 3rd Countess Lincoln and Pembroke 3 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandmother: Hawise Gernon 2nd Countess Lincoln 2 x Great Grand Daughter of King Henry I "Beauclerc" England
GrandMother: Margaret Clare Countess Gloucester Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: King John "Lackland" of England Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: King Henry III of England Son of King John "Lackland" of England
Great x 4 Grandmother: Isabella of Angoulême Queen Consort England
Great x 2 Grandfather: King Edward "Longshanks" I of England Son of King Henry III of England
Great x 4 Grandfather: Raymond Berenguer Provence IV Count Provence
Great x 3 Grandmother: Eleanor of Provence Queen Consort England
Great x 4 Grandmother: Beatrice Savoy Countess Provence
Great x 1 Grandmother: Joan of Acre Countess Gloucester and Hertford Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: Alfonso IX King Leon
Great x 3 Grandfather: Ferdinand III King Castile III King Leon Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Berengaria Ivrea I Queen Castile Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Eleanor of Castile Queen Consort England 2 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Simon Dammartin
Great x 3 Grandmother: Joan Dammartin Queen Consort Castile and Leon
Great x 4 Grandmother: Marie Montgomery Countess Ponthieu