On 26 Aug 1346 the army of King Edward III of England (age 33) defeated the French army at the Battle of Crécy. The English army was commanded by King Edward III of England (age 33), his son Edward "Black Prince" (age 16), Thomas Beauchamp 11th Earl Warwick (age 33), William Bohun 1st Earl of Northampton (age 36) and John Beauchamp 1st Baron Beauchamp Warwick (age 30).

The English army was included: Bishop Thomas of Hatfield (age 36), Hugh Despencer 1st Baron Despencer (age 38), Bernard Brocas (age 16), Thomas Felton (age 16), James Audley (age 28), Robert Bourchier 1st Baron Bourchier, Bartholomew "The Elder" Burghesh 1st Baron Burghesh (age 59), Bartholomew "The Younger" Burghesh 2nd Baron Burghesh (age 18), Reginald Cobham 1st Baron Cobham (age 51), John Darcy 1st Baron Darcy of Knayth (age 66), Robert Ferrers 3rd Baron Ferrers of Chartley (age 37), Richard Scrope 1st Baron Scrope of Bolton (age 19), William Scrope (age 21), Stephen Scrope (age 21), William Latimer 4th Baron Latimer of Corby (age 16), John Lisle 2nd Baron Lisle (age 28), Gerard Lisle 1st Baron Lisle (age 42), Nicholas Longford (age 61), Edward Montagu 1st Baron Montagu, Walter Paveley 4th Baron Burghesh (age 27), Michael Poynings 1st Baron Poynings (age 28), Robert Ufford 1st Earl Suffolk (age 48), John de Vere 7th Earl of Oxford (age 34), Thomas West (age 34), John Willoughby 2nd Baron Willoughby (age 43), John Wingfield (age 26), Henry Percy 11th and 3rd Baron Percy (age 25), Hugh Courtenay 10th Earl Devon (age 43) (possibly), Walter "Elder" Devereux (age 37), John Devereux (age 44), Enion Sais Brecon, John Chandos (age 26), Richard Pembridge (age 26) and John Sully (age 63).

The French army suffered significant casualties. King Philip "Fortunate" VI of France (age 52) was wounded. William de Coucy (age 60) and his son Enguerrand 6th Lord de Coucy (age 33) and were killed.

Charles Valois Count Alençon (age 49) was killed. His son Charles Valois Archbishop Lyons (age 9) succeeded Count Alençon.

Louis Chatillon II Count Blois I Count Chatillon was killed. His son Louis Chatillon III Count Blois Count Soissons succeeded III Count Blois.

Louis Dampierre II Count Nevers I Count Flanders (age 42) was killed. His son Louis Dampierre III Count Nevers II Count Flanders (age 15) succeeded III Count Nevers, II Count Flanders.

King John I of Bohemia (age 50) was killed. His son Charles IV King Bohemia Holy Roman Emperor Luxemburg (age 30) succeeded IV King Bohemia.

Rudolph "Valiant" Metz I Duke Lorraine (age 26) was killed. His son John Metz I Duke Lorraine succeeded I Duke Lorraine.

Jean IV de Harcourt (age 39) was killed.