Beatrix Louisa (née Lambton), Countess of Pembroke and Montgomery as Mary Sidney, Countess of Pembroke
(after the picture by Marcus Gheeraedts)
by Lafayette and Walker & Boutall, 1897
This image is part of a series of 286 sepia photogravure reproductions by Walker & Boutall of photographs of fancy dress portraits of some of the guests at the Devonshire House Fancy Dress Ball held on 2 July 1897.
source: National Portrait Gallery, Humphry’s family tree, WikiCommons,
