Career
According to Pieter Biesboer he is also the subject of the painting known as The Laughing Cavalier. The portrait he is most known for was dated in 1634, and probably commissioned on the occasion of his wedding to Catharina Brugmans in 1631. The Roostermans were rich textile merchants who lived in a large house on the Smedestraat and who associated with wealthy cloth merchants of Haarlem and Amsterdam.
They baptised 10 children between 1633 and 1652.
The former occupants of their house was the family of Joseph Coymans, and like Coymans before them, they made use of the services of their neighbor, the notary Henrick van Gellinckhuysen. He had the hofje built from the proceeds of Van Heythuysen"s estate.
He sold his property Middelhout to Hendrick van Vladeracken, another wealthy Haarlem cloth merchant. Hendrick was the father of Geldolph and Susanna van Vladeracken.