Her birth (she was a twin with Louisa):

Surname First name(s) District Vol  Page
Births Sep 1847   (>99%)
Kenrick Florence Kings Norton 18 349
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In 1871:

Name Relation Condition Sex Age Birth Year  Occupation  Where Born

CHAMBERLAIN, Joseph Head M 34 1837 Camberwell, Surrey
CHAMBERLAIN, Florence Wife F 23 1848  Warwickshire
CHAMBERLAIN, Beatrice M Daughter F 8 1863  Warwickshire
CHAMBERLAIN, Josep A Son M 7 1864   Warwickshire
CHAMBERLAIN, Arthur N Son M 2 1869   Warwickshire
CHAMBERLAIN, Florence T Daughter F 0 1871  Warwickshire
BLACKWELL, Ann Servant F 34 1837 Montgomeryshire
SHINGLEY, Emma Servant F 24 1847 Essex
HADDON, Elizth Servant F 25 1846 Leicestershire
SIVETER, Eliza Servant F 20 1851 Worcestershire
WOODWARD, Mary Servant F 12 1859 Warwickshire

RG number: RG10 Piece: 3082 Folio: 33 Page: 59

Registration District: Kings Norton Sub District: Edgbaston
EnumerationDistrict: 12 Ecclesiastical Parish:

Civil Parish: Edgbaston Municipal Borough: Birmingham
Address: Augustus Road South Boon, Edgbaston, Birmingham
County: Worcestershire
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There were about 20 births of Chamberlains in the Kings Norton district from 1860 to 1875, so it is difficult to establish if Florence had any more children after the 1871 census.  Graeme Wall includes Florence Ida, Caroline Hilda, Ethel and an unnamed boy who d. the day after birth in 1875:

Surname First name(s) District Vol  Page
Births Jun 1870   (>99%)
Chamberlain Florence Ida King's N. 6c 461   
Births Jun 1872   (>99%)
CHAMBERLAIN Caroline Hilda King's N. 6c 460   
Births Sep 1873   (>99%)
Chamberlain Ethel King's N. 6c 457   
Births Mar 1875   (>99%)
Chamberlain Male King's Norton 6c 455

Birth certificates would, of course, sort this out.
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Their marriage:

Surname First name(s) District Vol Page
Marriages Jun 1868   (>99%)
Cattell John Birmingham 6d 243   
Chamberlain Joseph Birmingham 6d 243   
Kenrick Florence Birmingham 6d 243   
Taylor Hannah Birmingham 6d 243