a Flemish painter of religious and mythological works and a tapestry designer. Following the 1695 Bombardment of Brussels by the French, Janssens was commissioned to produce a number of paintings for the Brussels Town Hall to replace those destroyed during the attack on the city. He also worked for the local guilds and churches. He gained a solid reputation and became well-off. He was appointed the court painter of Emperor Charles VI of Austria and resided in Vienna from 1719 to 1722.
