Julie (Julia Mathilda) Berwald, g. Åkerhielm of Margrethelund (1822-1877), opera singer, married to free lord court marshal Gustaf Georg Knut Åkerhielm of Mergrethelund Maria Rohl

The picture has something of this: portrait, people, wear, fashion, model, dress, woman, jewelry, girl, veil, gown, wedding, glamour, festival, dancer, necklace, fashionable.
Perhaps it’s a painting of a woman in a blue and white dress with a white flower in her hair.