The family of Charles Schaw, 9th Baron Cathcart (1721-76) Johann Zoffany (1733-1810)

The picture has something of this: child, son, people, group, family, baby, woman, man, portrait, four, three, girl, ma, affection, offspring, room.
Perhaps it’s a painting of a group of people standing next to each other with a piano in the foreground and a man playing the.