Are prunes belonging to the nightshade family?

No, Prunes do not belong to the nightshade family. Prunes are dried plums, and plums are part of the Rosaceae family, which also includes other fruits like cherries and peaches. The nightshade family, known as Solanaceae, includes plants like tomatoes, potatoes, and eggplants. Therefore, prunes and nightshade plants are from different botanical families.