Guilliam van Deynum (c. 1575 - after 1624)
• Was a Flemish painter, illuminator and miniaturist.
• Guilliam van Deynum was born around 1575 in Antwerp.
• Van Deynum arrived in Genoa, Italy in 1602.
• He painted a portrait of the local doge Agostino Doria sitting on a throne with his family not long after his arrival.
• It is known that he was the victim of an assault in 1606 and that in 1607 he was imprisoned for non-payment in a case concerning his activity as an art dealer.
• He is believed to have remained in Genoa until 1613.
• Between 1613 and 1614 he is documented in Brussels when the Archdukes Albert and Isabella commissioned two miniatures with their weapons and scenes of the 'Circumcision' and the 'Resurrection'.
• Van Deynum was named an illuminator of the Brussels court.
• Van Deynum is documented working on private commissions for Charles d'Arenberg and Anne de Croy in Enghien around 1614–1617.
• He collaborated with Servaes de Coulx and Jacob van der Laemen on the Adoration of the Magi.
• The last mention of his work at the court of Brussels is in the year 1624.
• It is not known when or where he died.