As a boy Hardyng entered the service of Sir Henry Percy (Hotspur), with whom he was present at the Battle of Shrewsbury (1403).
Hardyng was a man of antiquarian knowledge, and under Henry V was employed to investigate the feudal relations of Scotland to the English crown.
[2] By his own account, he spent three and a half years mapping the terrain and securing documents related to English sovereignty.
[4] Later, he would incorporate material from his Scottish mission, most notably the first independent map of Scotland, into a history of Britain written for Henry V's son.
Sir Henry Ellis published the longer version of Grafton with some additions from the Selden and Harley manuscripts in 1812.
John Hardyng, Chronicle: Edited from British Library MS Lansdowne 204, Vol 1 (Kalamazoo: Medieval Institute Publications, 2015).