Bond of obligation in £500 by Robert ap Richard ap Robert of Llanfairfechan, commote Uchaf, to Sir Richard Bulkeley, to observe faithfully the terms of an indenture by which he has bargained and sold Cambernaint and Cae'r Meirch to Sir Richard, reserving from the same the right of Margaret Griffith, the natural mother of E. ap R., to these messuages during her natural life (they were formerly in the tenure of William ap David an Ieuan, deceased) 6 August 1581