• He left his native Mechelen for Antwerp where in 1631 or 1632 he started his training as a painter with his brother-in-law
Theodoor Rombouts.
• In 1693 van Thielen married Francisca de Hemelaer.
• Through his marriage he was the brother-in-law of
Erasmus Quellinus II.
• Van Thielen and his wife had 9 children.
• Because he liked flower painting he changed masters in 1641 and began training with
Daniel Seghers.
• He became a master in the Antwerp Guild of Saint Luke in 1641.
• In 1660 he moved with his family to his hometown Mechelen where he became a master in the local Guild of Saint Luke the next year.
• Three of van Thielen’s daughters became flower painters: Maria Theresa van Thielen, Anna-Maria and Francisca-Catherina.
• He died in 1667 in Booischot.