The story is recounted in Flandria illustrata (A. Sanderi, Colon., 1641, i. 149.)
Gerhard Horeboul of Ghent. Charles V.'s 'Book of Hours' in the Vienna library is his work. He also had a hand in the Grimani Breviary. After 1521 he went to England and entered the service of Henry VIII. His daughter Susanna was likewise in the service of the English King. She married and died in England.
Perhaps Jan van den Perre, afterwards goldsmith to Charles V.