Earl Cornwall
Earl Cornwall is in Earldoms of England Alphabetically.
There have been six creations of Earl Cornwall:
1st. 1072. Brian Penthièvre 1st Earl Cornwall 1040-1084. Extinct. 1084.
2nd. 1072. Robert Mortain Count Mortain 1st Earl Cornwall 1031-1090. Forfeit. 1106.
3rd. 1141. Reginald de Dunstanville Fitzroy 1st Earl Cornwall 1110-1175. Extinct. 1175.
4th. 1225. Richard of Cornwall 1st Earl Cornwall 1209-1272. Extinct. 1300.
5th. 1307. Piers Gaveston 1st Earl Cornwall 1284-1312. Extinct. 1312.
6th. 1330. John of Eltham 1st Earl Cornwall 1316-1336. Extinct. 1336.
Earl Cornwall (1st Creation)
Earl Cornwall is also in Earldoms of England Chronologically, Extinct Earldoms of England.
In 1072 Brian Penthièvre 1st Earl Cornwall (age 32) was created 1st Earl Cornwall.
After 1084 Brian Penthièvre 1st Earl Cornwall (age 44) died. Earl Cornwall extinct. He may have resigned the title before this date when he returned to live in Brittany.
Earl Cornwall (2nd Creation)
Earl Cornwall is also in Earldoms of England Chronologically, Forfeit Earldoms of England.
1st: Robert Mortain Count Mortain 1st Earl Cornwall. Died 1090. Son.
2nd: William Mortain Count Mortain 2nd Earl Cornwall. Died 1140. Forfeit.
In 1072 Robert Mortain Count Mortain 1st Earl Cornwall (age 41) was created 1st Earl Cornwall.
In 1090 Robert Mortain Count Mortain 1st Earl Cornwall (age 59) died. His son William Mortain Count Mortain 2nd Earl Cornwall (age 6) succeeded Count Mortain Mortagne, 2nd Earl Cornwall.
Before 1106 William Mortain Count Mortain 2nd Earl Cornwall (age 22) forfeit 2nd Earl Cornwall for having attacked the Normandy castles of King Henry I "Beauclerc" England (age 37).
On 28 Sep 1106 King Henry I "Beauclerc" England (age 38) defeated his older brother Robert Curthose III Duke Normandy (age 55) at the Battle of Tinchebray at Tinchebray, Orne.
William Warenne 2nd Earl Surrey and Robert Beaumont 1st Earl of Leicester Count Meulan (age 66). Elias La Flèche De Baugency I Count Maine commanded the reserve. The following fought for Henry:
William "Brito aka Breton" D'Aubigny (age 20).
Alan Canhiart IV Duke Brittany (age 43).
Raoul Tosny (age 26).
William "Pincerna aka Butler" D'Aubigny (age 42).
Robert Grandesmil (age 28), and.
William Normandy I Count Évreux.
Robert Curthose III Duke Normandy (age 55) was captured and spent the next twenty-eight years in prison; never released.
William Mortain Count Mortain 2nd Earl Cornwall (age 22) was also captured. He spent the next thirty or more years in prison before becoming a monk. Earl Cornwall forfeit.
Edgar Ætheling II King England (age 55) was captured and subsequently released; Henry had married to Edgar's niece Edith aka Matilda Dunkeld Queen Consort England (age 26) in 1100.
Robert II Belleme 2nd Count Ponthieu 3rd Earl of Shrewsbury (age 50) escaped.
Robert Stuteville was captured.
Earl Cornwall (3rd Creation)
Earl Cornwall is also in Earldoms of England Chronologically, Extinct Earldoms of England.
In 1141 Reginald de Dunstanville Fitzroy 1st Earl Cornwall (age 31) was created 1st Earl Cornwall.
On 01 Jul 1175 Reginald de Dunstanville Fitzroy 1st Earl Cornwall (age 65) died at Chertsey, Surrey. He was buried at Reading Abbey [Map]. Earl Cornwall extinct. His son appears to have predeceaseed him by months.
Earl Cornwall (4th Creation)
Earl Cornwall is also in Earldoms of England Chronologically, Extinct Earldoms of England.
1st: Richard of Cornwall 1st Earl Cornwall. Died 1272. Son.
2nd: Edmund "Almain" 2nd Earl Cornwall. Died 1300. Extinct.
In 1225 Richard of Cornwall 1st Earl Cornwall (age 15) was created 1st Earl Cornwall.
On 30 Mar 1231 Richard of Cornwall 1st Earl Cornwall (age 22) and Isabel Marshal Countess Cornwall, Gloucester and Hertford (age 30) were married at Fawley, Lambourn. She by marriage Countess Cornwall. She the daughter of William Marshal 1st Earl Pembroke and Isabel Clare Countess Pembroke. He the son of King John "Lackland" of England and Isabella of Angoulême Queen Consort England (age 43).
On 23 Nov 1243 Richard of Cornwall 1st Earl Cornwall (age 34) and Sanchia Provence Queen Consort Germany (age 15) were married at Westminster Abbey [Map]. She by marriage Countess Cornwall. She the daughter of Raymond Berenguer Provence IV Count Provence (age 45) and Beatrice Savoy Countess Provence (age 45). He the son of King John "Lackland" of England and Isabella of Angoulême Queen Consort England (age 55). They were fourth cousins.
On 16 Jun 1269 Richard of Cornwall 1st Earl Cornwall (age 60) and Beatrice Falkenburg Countess Cornwall were married at Kaiserslautern. She by marriage Countess Cornwall. He the son of King John "Lackland" of England and Isabella of Angoulême Queen Consort England.
On 02 Apr 1272 Richard of Cornwall 1st Earl Cornwall (age 63) died at Berkhamsted Castle, Hertfordshire [Map]. He was buried at Hailes Abbey [Map]. His son Edmund "Almain" 2nd Earl Cornwall (age 22) succeeded 2nd Earl Cornwall.
On 06 Oct 1272 Edmund "Almain" 2nd Earl Cornwall (age 22) and Margaret Clare Countess Cornwall (age 22) were married at the Ruislip [Map]. She by marriage Countess Cornwall. She the daughter of Richard de Clare 6th Earl Gloucester 5th Earl Hertford and Maud Lacy Countess Gloucester and Hertford (age 49). He the son of Richard of Cornwall 1st Earl Cornwall and Sanchia Provence Queen Consort Germany. He a grandson of King John "Lackland" of England. She a great x 4 granddaughter of King Henry I "Beauclerc" England. 
On 25 Sep 1300 Edmund "Almain" 2nd Earl Cornwall (age 50) died. He was buried, heart and flesh, at Ashridge, Hertfordshire [Map]. His bones were interred at Hailes Abbey [Map] during a service attended by King Edward "Longshanks" I of England (age 61). Earl Cornwall extinct.
Earl Cornwall (5th Creation)
Earl Cornwall is also in Earldoms of England Chronologically, Extinct Earldoms of England.
On 06 Aug 1307 Piers Gaveston 1st Earl Cornwall (age 23) was created 1st Earl Cornwall by King Edward II of England (age 23) to the shock of the nobility; Earl Cornwall usually reserved for the heir. The earldom gave Gaveston substantial landholdings over great parts of England, to the value of £4,000 a year. These possessions consisted of most of Cornwall, as well as parts of Devonshire in the south-west, land in Berkshire and Oxfordshire centred on the honour of Wallingford, most of the eastern part of Lincolnshire, and the honour of Knaresborough in Yorkshire, with the territories that belonged to it.
On 05 Aug 1309 Piers Gaveston 1st Earl Cornwall (age 25) was restored 1st Earl Cornwall.
On 19 Jun 1312 Piers Gaveston 1st Earl Cornwall (age 28) was taken to Blacklow Hill, Worcestershire where he was beheaded. Blacklow Hill, Worcestershire being outside of the Guy Beauchamp 10th Earl of Warwick's (age 40) lands. Gaveston's body was left where it lay eventually being recovered by Dominican friars who took it to Oxford, Oxfordshire [Map]. Earl Cornwall extinct.
Earl Cornwall (6th Creation)
Earl Cornwall is also in Earldoms of England Chronologically, Extinct Earldoms of England.
In 1330 John of Eltham 1st Earl Cornwall (age 13) was created 1st Earl Cornwall.
On 30 Sep 1336 John of Eltham 1st Earl Cornwall (age 20) died at Perth [Map]. Earl Cornwall extinct. He was buried at the east side of the doorway to the Chapel of St Edmund, Westminster Abbey [Map]. His monument comprises a head of the statue encircled by a coronet of large and small leaves, remarkable for being the earliest specimen of the kind. The details of plate-armour, surcoat, gorget, coroneted helmet, with other accessories, give great antiquarian interest to this work. It was formerly surmounted by a canopy, of which, however, no traces are now visible.