Please answer the following question: - title is lady - death date is 04 may 1380 - spouse is sir , 9th earl of mar , sir john drummond , john robert stewart , duke of albany moray , lord of bothwell , thomas - children is janet , isabella , marjorie , murdoch stewart , 2nd duke , of albany . mary , margaret , joan , beatrice - birth date is 1334 - death place is scotland - birth place is doune castle , perthshire , scotland Given the details above, guess who could this information be about.
Answer:
margaret graham , countess of menteith