“Cedfin or Ty Mawr Farm”, 139a 3r 8p
David Stewart’s survey of the Bute estates in Glamorgan maps the farm on plan 19 as “Cedfin or Ty Mawr Farm”, 139 acres 3 roods 8 perches.
Source
Glamorgan Archives DB/E/1, plan 19 and reference table, 1824. Legal Wiki EV-0211.