Papers of the Constable Maxwell Family of Everingham, Caerlaverock and Terregles (including the Haggerston and Sherburne Families) > First Deposit > Volumes > Memorandum of contract between Elizabeth Beaumont, Countess of Nithsdale, widow of Robert, 1st Earl of Nithsdale, and her dec'd. son Robert, 2nd Earl of Nithsdale