Perhaps you should try some spelling variations:
gwenny griffiths » green griffiths, owen griffiths, morwenna griffiths
hannah griffiths » annual griffiths, randall griffiths, alan griffiths
henry griffiths » henry griffin, mary griffiths

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 (((henry griffiths) OR (hannah griffiths)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((gwenny griffiths) or (((henry griffiths) OR (hannah griffiths))))".
• Adding a wildcard symbol may retrieve word variants: ((gwenny griffiths) or (((henry griffiths) OR (hannah griffiths))))*.