Lord Lytton, 1851; this seems to be the second Lord Lytton, the future Viceroy of India at the age of 20, rather than the novelist. Chassériau's portraits drawings are most appealing I think, like a soft Biedermeier version of those of Ingres.
An unidentified lady
Juan de Silveira (I don't know anything about him)
The poet Lamartine