Mrs. Percy Ricardo (top left) (by Camille Silvy)
Mrs. Percy Ricardo, née Matilda Mawdesley Hensley, was the wife of Albert Ricardo’s first cousin, Percy Ricardo, J.P., D.L. In this photograph, she is wearing evening dress.
Fanny Caulfield (top right) (by Camille Silvy)
Fanny Florence Caulfield was the younger daughter of St. George Francis Caulfield. Her elder sister was Emily, Countess of Lonsdale. She married Lt. Gen. Owen Lewis Cope Williams, son of Lt. Col. Thomas Peers Williams, M.P. for Great Marlow.
Francis Baring (centre) (by Camille Silvy)
Francis Baring was the son of Major Henry Baring, brother of Mary Bulkeley and a great-grandson of the Francis Baring who founded Barings Bank in 1762 (the oldest merchant bank in England). He served in the Crimean War and became a Lt. Col. in the Scots Fusilier Guards. He was also a sculptor.
Mrs. Douglas (bottom left & right) (by Disdéri)
Unfortunately, we were not able to find any information on Mrs. Douglas.