Ethy, a seat 3 ½ miles SW of Lostwithiel in Cornwall. It belonged to the Courtneys of Boconnoc, passed to Admiral Penrose, and now belongs to the Howell family.
Online maps of Ethy are available from a number of sites:
Bing (Current Ordnance Survey maps).
National Library of Scotland. (Old maps)
old-maps.co.uk (Old Ordnance Survey maps to buy).
Streetmap.co.uk (Current Ordnance Survey maps).
A Vision of Britain through Time. (Old maps)