Perhaps you should try some spelling variations:
morwenna griffiths » owen griffiths
gwenny griffiths » green griffiths, owen griffiths, gemma griffiths
henry griffiths » mary griffiths, hannah griffiths
griffin » griffith

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((gwenny griffiths) OR (morwenna griffiths))) OR (((henry griffiths) OR (henry griffin)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((gwenny griffiths) or (morwenna griffiths))) or (((henry griffiths) OR (henry griffin))))".
• Adding a wildcard symbol may retrieve word variants: ((((gwenny griffiths) or (morwenna griffiths))) or (((henry griffiths) OR (henry griffin))))*.