Willem Vrelant was a Dutch book illuminator. He was already active in Utrecht in 1450, where he created the Hours of William de Montfort. From 1454 to 1481 he is recorded as a member of the Bruges

Bruges

Bruges is the capital and largest city of the province of West Flanders in the Flemish Region of Belgium. It is located in the northwest of the country....

 guild of bookmakers. His large and productive workshop produced (among others) a book of hours which is now in Baltimore

Baltimore

Baltimore is the largest independent city in the United States and the largest city and cultural center of the US state of Maryland. The city is located in central Maryland along the tidal portion of the Patapsco River, an arm of the Chesapeake Bay. Baltimore is sometimes referred to as Baltimore...

 (1455–60), the Hours of Isabella of Castille (c.1460), the Chronicles of Hainaut (1468) and individual minatures in the Hours of Mary of Burgundy

Hours of Mary of Burgundy

The Hours of Mary of Burgundy was a book of Hours produced in Flanders around 1477 for Mary of Burgundy. It measures 22.5 by 15 cm and has 187 folios. It contains the Roman liturgy of the Hours, including 20 full-page miniatures and 32 small miniatures . It is now in the Austrian National...

(c.1480).