Hi Molly: Thanks for the message. My ancestor and grandfather is Robert Angus Niven who married my grandmother Agnes Reekie Niven (1st cousins). Robert Angus was the son of John Niven and Rebecca Arbuckle. My grandmother, Agnes Reekie Niven, was the daughter of Angus Niven Mary Chalmers Wallace. So you see my grandmother's name never changed after marriage. John Niven and Angus Niven were brothers and the sons of another ROBERT NIVEN and AGNES REEKIE. This Robert was born in Carnock, and he was the son of John Niven and Agnes Moodie. This John the son of another John Niven Euphemia Gregor, who was the son of Robert Niven Elizabeth Carsair, the son of George Niven janet Meldrum; and he the son of Robert Niven Elspet Dryburgh, and he the son of Robert Nivine Kethrain Dick. Hope this is helpful, please keep in touch with your information and efforts. Sincerely NHC