Is "Rubens, Helena Fourment (1614–1673), and Their Son Frans (1633–1678)" in the public domain?

Yes, Rubens, Helena Fourment (1614–1673), and Their Son Frans (1633–1678) is in the public domain and available for free download under CC0 license.

Ctrl K

Rubens, Helena Fourment (1614–1673), and Their Son Frans (1633–1678)

This artwork was created ca. 1635.

Peter Paul Rubens, ca. 1635