“A Young Girl.” 17th c. Oil on panel. Rose-Marie and Eijk van Otterloo Collection, Museum of Fine Arts, Boston. Signed on the bottom left. In the public domain in the United States because the artist died over 100 years ago. via https://commons.wikimedia.org/wiki/File:A_young_girl,_by_Jan_Lievens.jpg
“Portrait of Michiel van der Dussen, his Wife, Wilhelmina van Setten and their Children.” 1640. Dutch. Hendrick Corneliszoon van Vliet, artist (1611/12-1675). Collection of the Collection Stedelijk Museum Het Prinsenhof, Delft. In the public domain. via http://www.wikiwand.com/en/Hendrick_Cornelisz._van_Vliet
“Family Portrait of Pierre de Moucheron, Merchant in Middelburg and Antwerp, his Wife Isabeau de Gerbier, their eighteen Children, their Son-in-Law Allard de la Dale and first Grandchild.” 1563. Artist not known. Collection of the Rijksmuseum, Amsterdam. In the public domain. via