English School late 18th Century Portrait of Francis Wallace

English School late 18th Century Portrait of Francis Wallace, in a purple dress Inscribed on a label attached to the interior of the case: Francis Wallace daughter of Craigie Wallace of Ayrshire wife of Wiliam Sleigh of Whitehall and mother of General J.W. Sleigh K.C.B. of Lanc... Oval, loose in a dark grey shagreen case, glass also loose 40 x 31mm; 1½ x 1¼in Major Gen J. W. Sleigh CB is recorded as marrying Eliza, daughter of Colonel C. S. Fagan, CP at Futtyghur on 4th February 1831