Biography of John Cockayne 1360-1429
Paternal Family Tree: Cockayne
John Cockayne executor of John of Gaunt 1st Duke Lancaster 1340-1399's will.
Around 1360 John Cockayne was born to John Cockayne (age 35) and Cecilia Vernon (age 30) at Ashbourne [Map].
In 1369 [his father] John Cockayne (age 44) died at Ashbourne [Map].
Around 1382 John Cockayne (age 22) and Ida Grey (age 14) were married. She a great x 5 granddaughter of King John "Lackland" of England. 
In or before 1387 [his brother-in-law] Reginald Grey 3rd Baron Grey Ruthyn (age 25) and Margaret Ros Baroness Grey Ruthyn were married. She by marriage Baroness Grey of Ruthyn. She the daughter of Thomas Ros 4th Baron Ros Helmsley and Beatrice Stafford Countess Desmond (age 45). They were third cousin once removed. He a great x 5 grandson of King John "Lackland" of England. She a great x 3 granddaughter of King Edward "Longshanks" I of England. 
On 04 Aug 1388 [his father-in-law] Reginald Grey 2nd Baron Grey Ruthyn (age 66) died. His son [his brother-in-law] Reginald Grey 3rd Baron Grey Ruthyn (age 26) succeeded 3rd Baron Grey of Ruthyn.
Around 1394 [his daughter] Elizabeth Cockayne was born to John Cockayne (age 34) and [his wife] Ida Grey (age 26).
In 1398 John Cockayne (age 38) was appointed Chief Steward for the Northern Duchy of Lancaster.
In 1400 John Cockayne (age 40) was appointed Chief Baron of the Exchequer.
In 1405 John Cockayne (age 45) was appointed Justice of the Common Pleas.
Around 1406 [his son] Reginald Cockayne was born to John Cockayne (age 46) and [his wife] Ida Grey (age 38) at Bury Hatley.
In 1422 [his daughter] Elizabeth Cockayne (age 28) died.
On 01 Jun 1426 [his wife] Ida Grey (age 58) died.
On 10 Feb 1428 [his son] Reginald Cockayne (age 22) died.
On 22 May 1429 John Cockayne (age 69) died at Ashbourne [Map]. He was buried at Church of St John, Cockayne Hatley.
[his son] Thomas Cockayne was born to John Cockayne and Ida Grey.
Philip Butler and [his daughter] Elizabeth Cockayne were married. He the son of James Butler 3rd Earl Ormonde and Anne Welles Countess Ormonde. He a great x 3 grandson of King Edward "Longshanks" I of England. 
Lawrence Cheney and [his daughter] Elizabeth Cockayne were married.
[his daughter] Margaret Cockayne was born to John Cockayne and Ida Grey.
[his father] John Cockayne and [his mother] Cecilia Vernon were married.
[his son] John Cockayne was born to John Cockayne and Ida Grey.
[his son] Henry Cockayne was born to John Cockayne and Ida Grey.
Queen Anne Boleyn of England x 1
Queen Catherine Howard of England x 1
Queen Elizabeth II of the United Kingdom x 11
Great x 2 Grandfather: William Cockayne
Great x 1 Grandfather: John Cockayne
GrandFather: John Cockayne
Father: John Cockayne
Great x 4 Grandfather: William Vernon
Great x 3 Grandfather: Richard Vernon
Great x 2 Grandfather: Richard Vernon
Great x 1 Grandfather: Richard Vernon
GrandFather: William Vernon
Mother: Cecilia Vernon