Focus on Jacob Blessing the Sons of Joseph (Rembrandt) and discuss the Asenath.
Asenath was the daughter of an Egyptian priest. According to chapter 41 in the book of Genesis, she was given to Joseph by the pharaoh, himself. The purpose of adding Asenath to the painting is because it having been commissioned by the Amsterdam patrician Willem Schrijver, It shows him with his wife Wendela de Graeff and their children as biblical figures.".
Joseph Genesis Willem Schrijver Wendela de Graeff Asenath