Yhis is her terse article from thepeerage.com, "Frances Rose Moncreiffe
F, #278614, b. 22 September 1850, d. 7 July 1923 Consanguinity Index=0.0%
Frances Rose Moncreiffe was born on 22 September 1850. She married Sir Alexander Muir Mackenzie of Delvine, 3rd Bt., son of Sir John William Pitt Muir Mackenzie of Delvine, 2nd Bt. and Sophia Matilda Johnstone, on 21 February 1871. She died on 7 July 1923 at age 72, without issue.
She was the daughter of Sir Thomas Moncreiffe of that Ilk, 7th Bt. and Lady Louisa Hay-Drummond." No listing of children follows.
From eBay; the original was heavily spotted so the image was shampooed with Photoshop and the sepia tone removed by gogm.