Claes Isaacsz. van Swanenburg

According to Houbraken he was the second son of Isaac van Swanenburg who worked in Leiden.

[2] According to the RKD he was the brother of Jacob and Willem Isaacsz.

[3] In 1607 he got married and in 1608 he became a member of the Hague Guild of St.

[3] Though a member of the Hague guild, he continued to be active in Leiden and painted an over-the-mantel piece for the Leiden vierschaar in 1613.

[3] In 1648 he became a member of the Leiden Guild of St. Luke that was founded the same year.