Can you be more specific about names and dates please?
Have edited this as I posted the wrong family. Having checked your previous messages this is yours.
You know who Edith married. Check for marriages of the other children and their children and then you can find their marriages etc.
Start here for BMD's. Free and easy to use and will take you up to around the 1950's.http://www.freebmd.org.uk/cgi/search.pl
1911 census for you.
FRANKS, John Head Married M 39 1872 Night Soiling Cheshire Birkenhead
FRANKS, Annie Wife Married F 37 1874 Derbyshire Duckenfield
FRANKS, Eva Daughter F 15 1896 Cheshire Birkenhead
FRANKS, William Son M 13 1898 Cheshire Birkenhead
FRANKS, Elsie Daughter F 7 1904 Cheshire Birkenhead
FRANKS, Bessie Daughter F 5 1906 Cheshire Birkenhead
FRANKS, Edith Daughter F 3 1908 Cheshire Birkenhead
FRANKS, Ruth Daughter F 1 1910 Cheshire Birkenhead
RG number: RG14 Piece: 21978 Reference: RG14PN21978 RG78PN1308 RD452 SD1 ED21 SN25 Registration District: Birkenhead Sub District: Birkenhead Enumeration District: 21 Parish: Birkenhead Address: 32 Bk St Anne St B'head County: Cheshire