Information sur la source
Ancestry.com. Charter chest of the earldom of Dundonald, 1219-1672 [base de données en ligne]. Provo, UT: Ancestry.com Operations Inc, 2005.Données originales : Charter chest of the earldom of Dundonald, 1219-1672. Edinburgh: Printed for the Society by J. Skinner & Co., 1910.
