Eileen I relied on my memory & gave you details for
the more modern road in Onchan village. Frances used
her copy of Slack's book. According to him Belgrave
Terrace was /is in Princes Road , Douglas [once part of
Onchan /Conchan parish] The terrace still exists {I have
lived very close by all my life} but the 2 Victorian
terraces, some Victorian Gentlemens' residences & modern houses have been known as Princes Road ** for
a very long time. The Terrace has an original Victorian
place name plaque with** . Mary