Mr and Mrs Custance of Norwich and their Daughter Frances Sir Henry William Beechey (1753-1839)

The picture has something of this: people, woman, veil, two, wear, man, group, seat, child, costume, dress, outfit, furniture, three, lid, facial expression, portrait.
Perhaps it’s a painting of a man sitting in a chair next to a little girl in a white dress and a man in a green suit standing next.