Lady Margaret Graham Peerage person ID=539840 (d. 1600) Parents Janet Edmonstone William Graham, 1st Earl of Montrose Children John Somerville, 3rd of Cambusnethan Siblings Lady Katherine Graham Elizabeth Graham Patrick Graham, 1st of Inchbrakie and Aberuthven Lady Jean Graham Lady Jean Graham Walter Graham Jonet Grahame William Graham, 2nd Earl of Montrose