Lady Alexandrina Octavia Maria Vane (1823–1874), Countess of Portarlington by James Godsell Middleton (1805–1874), c.1847 (?), from National Trust, Mount Stewart
James Godsell Middleton (1805-1874) - Lady Alexandrina Octavia Maria Vane ( 1823–1874), Countess of Portarlington - 1220990 - National Trust - Free Stock Illustrations
Frances Vane, Marchioness of Londonderry - Wikipedia
Lady alexandrina hi-res stock photography and images - Alamy
Early Victorian - 1837 to 1869, Grand Ladies
Maria Alexandrovna of Edinburgh by Gustav Richter (1874, Royal coll.) - PICRYL - Public Domain Media Search Engine Public Domain Search