• Was a French miniature painter working in the International Gothic style.
• His name was spelt in a number of ways, including as Jacquemart de Odin.
• Jacquemart was a painter from Artois.
• Hesdin, the town from which he took his name, was a fortified citadel in the Pas-de-Calais, then part of Flanders and a stronghold of the Dukes of Burgundy.
• Jacquemart's only known patron, John, Duke of Berry, was a younger brother of King Charles V of France.
• Jacquemart's whole career developed at Bourges (the capital of the Province of Berry) at the court of John, Duke of Berry.
• He was active in the Duke's service from 1384 until 1414.
• He made a significant contribution to the Duke's famous illuminated books, in particular the Très Belles Heures du Duc de Berry, the Grandes Heures, the Petites Heures, and a Psalter.
• He was working with the Limbourg brothers and the painter known as the Boucicaut Master.