Antiques: Demand for charming Dutch paintings has dipped

Q: This painting has been in the family for at least 60 years. It is on canvas that measures 49 x 59 cm (19 x 23 inches). The original frame has a plaque with the artist’s name of ‘H.A. Dievenbach.’ The scene is of a mother with two daughters— one sitting at a table with blocks and the other watching with a pull-toy behind her. There’s also a coffee grinder on a cupboard and a weight-driven wall clock. Can you enlighten us about the age, artist and value. We appreci