When Matthijs died in 1583, his brother likely continued his work, picking up many of Matthijs' commissions [REF].
His patrons were among the most influential people in Rome and included members from the Colonna, Borghese, Mattei and Barberini families in Rome as well as Cardinal Federico Borromeo in Milan, Cardinal Carlo de' Medici in Florence and Duke Ferdinando Gonzaga in Mantua [REF].