• Was a Flemish painter.
• Antoon Claeissens was born in Bruges as the third son of Pieter Claeissens the Elder and Marie Meese.
• His father was a history painter and portraitist and his grandfather Alard Claeissens was also a painter.
• The Claeissens family workshop gained a monopolistic grip on official painting commissions in Bruges.
• Antoon left the family business possible starting from 1573 at the latest.
• In 1575 he entered the Bruges Guild of Saint Luke.
• Antoon was the Guild's dean in 1586, 1590, and 1601.
• He was the city painter of Bruges from 1570 to 1581, after which he was succeeded in this post by his brother Pieter.
• Antoon was responsible for works in the Saint Gillis Church and the Church of Our Lady.
• His son Pieter Antonius was dean of the Bruges Guild of St. Luke in 1607.
• Antoon Claeissens painted historical and allegorical subjects, and portraits.