Jan Martszen de Jonge

According to the RKD he was the son of the Haarlem painter Jacobus Martens (1579/80–1647), the nephew and pupil of Esaias van de Velde, and the teacher of Jan Asselijn.

[1] He lived in Haarlem, Amsterdam, and Delft, painting portraits and landscapes.

[1] He painted staffage in a few paintings for Bartholomeus van Bassen, along with Esaias van de Velde and Anthonie Palamedesz.

[1] He was only active for about a decade from 1630 until 1641, the period for which there are dated works.

[1] This second type of signature led to suppose the existence of another painter M.de Jong.