It was definitely owned by Richard Gynn Trease on 29th April 1911 as an entry
to this effect has been found in the Warbstow Rate Book.
Two years later the house was owned by Richard's son, James Gynn Trease, who signed a
will on 3rd May 1913 whereby he made provision for his father and mother or survivor of them 'to occupy rent free .... my freehold dwellinghouse
known as Fern Grove...'