Pedigree and notes of evidences. London Charterhouse. [c. 1400?] (1400). . Pedigree and notes of evidences relating to the family of Constantyn, and their tenements, etc., in Pentecostlane, London, which tenements, by release from John Constantyn, came to the prior and convent of the Carthusians, London, from Petronilla Constantyn and her husband John Northampton.