On 26 Aug 1346 at Crecy during the Battle of Crecy the English army was included: James Audley (28) , Robert Bourchier 1st Baron Bourchier, Bartholomew "The Younger" Burghesh 2nd Baron Burghesh (17) , Reginald Cobham 1st Baron Cobham Sternborough (51) , John Darcy 1st Baron Darcy Knayth (66) , Robert Ferrers 2nd Baron Ferrers Chartley (37) , Richard Scrope 1st Baron Scrope Bolton (19) , William Scrope (21) , Stephen Scrope (21) , William Latimer 4th Baron Latimer Corby (16) , John Lisle 2nd Baron Lisle (28) , Gerard Lisle 1st Baron Lisle (42) , Nicholas Longford (58) , Edward Montagu 1st Baron Montagu, Walter Paveley 4th Baron Burghesh (27) , Michael Poynings 2nd Baron Poynings (28) , Robert Ufford 1st Earl Suffolk (48) , John Vere 7th Earl Oxford (34) , Thomas West (34) , John Willoughby 2nd Baron Willoughby Eresby (43) , John Wingfield (26) , Henry Percy 3rd Baron Percy (25) , Hugh Courtenay 10th Earl Devon (43) (possibly), Walter "Elder" Devereux (37) , John Devereux (44) , Enion Sais Brecon, John Chandos (26) , Richard Pembridge (26) and John Sully (63) .
On 30 May 1347 John Darcy 1st Baron Darcy Knayth (67) died
John Darcy 1st Baron Darcy Knayth and Emmeline Heron were married
Father: Roger Darcy
Mother: Isabel Aton