Eight decades after Gustav and Emma Mayer lost most of their belongings as they escaped Germany on the eve of World War II, one of their paintings has been returned to their nine great-grandchildren. The Royal Museums of Fine Arts in Brussels in Belgium handed Lovis Corinth’s Flowers a 1913 still life of pink flowers in a blue vase, back to the family in a ceremony on February 10, according to Guardian . The work was one of 27 that the museums listed on an online database of pieces with uncertain ownership history. Lawyers for the Mayer descendants first inquired...