Favray, Antoine de – David George van Lennep (1712-97). Opperkoopman van de Hollandse factorij te Smyrna met zijn vrouw en kinderen, 1769-1771 Rijksmuseum: part 4

The picture has something of this: people, group, woman, man, child, son, wear, portrait, music, offspring, five, facial expression, group together, performance, girl.
Perhaps it’s a group of people standing next to each other in front of a painting of.