Information sur la source
Ancestry.com. Charter chest of the earldom of Wigtown, 1214-1681 [base de données en ligne]. Provo, UT: Ancestry.com Operations Inc, 2005.Données originales : Charter chest of the earldom of Wigtown, 1214-1681. Edinburgh: Printed for the Society by J. Skinner & Co., 1910.
