A Garland of Flowers Surrounding a Cartouche with a Pietà (1618–1667) by Jan Philips van Thielen - Public Domain Catholic Painting

Jan Philip van Thielen or Jan Philips van Thielen was a Flemish painter who specialized in flower pieces and garland paintings. He was a regular collaborator with leading Flemish and Dutch figure painters of his time. Van Thielen was the most popular flower painter in Flanders and his patrons included Diego Felipez de Guzmán, 1st Marquis of Leganés and Leopold Wilhelm of Austria, the art-loving governor of the Southern Netherlands.