1817 Count Preben Bille-Brahe and his second wife, Johanne Caroline, née Falbe by ? (Ny Carlsberg Glyptotek, Kobenhavn Denmark)
Johanne Caroline is shown working, sewing, in this portrait.
Brahe is a Danish noble family. One of them, Tycho, was an astronomer in the 1500s with a crater on the moon named after him.