Source Information

Ancestry.com. An Historical and Authentic Account of the Ancient and Noble Family of Keith, Earls Marischal of Scotland [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.
Original data: Buchan, Peter,. An historical and authentic account of the ancient and noble family of Keith, earls marischal of Scotland : from thir [sic] origin in Germany, down to 1778, including a narrative of the military achievements of James Francis Edward Keith, field-marshal in Prussia, &c. : also a full and circumstantial account of all attainted Scottish noblemen who lost their titles and estates in 1715 and 1745, for their adherence to the Stuart cause. Peterhead Scotland: Printed by P. Buchan, 1820.