Material comprises deeds etc, relating to Llanfairfechan properties, including Tyn y Llwyfan, and Maes y Bryn and Llwynysgolog.
Amongst the parties named in the deeds relating to Tyn y Llwyfan, dated 1855-1856, are Sir Richard Bulkeley-Williams Bulkeley (1801-1875), and his son Sir Richard Lewis Mostyn Williams-Bulkeley (1833-1884) of the Baron Hill Estate, Anglesey.