SpareBott have you found the family in 1921 ?
Freesearch they are living Parish Brampton En Le Morthen, Rotherham Yorkshire (West Riding) -
Dorothy Ellen Bennett bn 1907 Hasland, Derbyshire, England is with
Eliza Bennett 1876 Unstone Green, Derbyshire
Henry Bennett 1868 Hasland, Derbyshire
Thomas Henry Bennett 1895 Pennsylvania, United States
Mary Elizabeth Bennett 1900 Grassmoor
Kathleen Mary Bennett 1909 Hasland
Isobel Irene Bennett 1913 Hasland (GRO indexes mmn Alton)
Gordon Stewart Bennett 1917 Derbyshire (GRO indexes mmn Alton)
Joan Bennett 1921 Derbyshire (GRO indexes mmn Alton)
Henry Bennett b1868, Eliza b1876 and two of their children on 1939 Register in Rotherham
Her parents were Eliza Alton and Henry Bennett - I have no birth or death year or location
Added
Hasland is in the registration district of Chesterfield this might be Eliza’s birth reg
ALTON, ELIZA mmn CUTTS
GRO Reference: 1876 S Quarter in CHESTERFIELD Volume 07B Page 699
Edit to add
Probably Eliza with her parents and siblings on 1881 census
11, Monkey Street, Unstone, Chesterfield, Derbyshire
William Alton Head 1836 Coal miner empd Wingfield, Derbyshire, England
Hannah Wife 1840 Miners wife Hucknall Torkard, Nottinghamshire, England
Samuel Son 1867 Coal miner empd Wessington, Derbyshire, England
David Son 1872 Scholar Dronfield, Derbyshire, England
Harriet Dau 1874 Scholar Dronfield
ELIZA Dau 1877 Dronfield, Derbyshire
Hannah Alton Dau1880 Dronfield,
Mar 1862 Chesterfield 7b 601
Alton William
Cutts Hannah
This appears to be Henry Bennett bn1868 with his parents on 1871 census
Grassmoor, Hasland Chesterfield, Chesterfield, Derbyshire
John Bennett Head 1845 - Nottinghamshire
Sarah Jane 1845 - Derbyshire
Mary Elizabeth Gilbert Step-daughter 1864 Derbyshire
HENRY Son 1869 Derbyshire
William Arthur Son 1871 Derbyshire
GILBERT, MARY ELIZABETH mmn WHITE
GRO Reference: 1863 S Quarter in CHESTERFIELD UNION IN THE COUNTY OF DERBY Volume 07B Page 487
BENNETT, HENRY mmn WHITE
GRO Reference: 1868 D Quarter in CHESTERFIELD UNION IN THE COUNTY OF DERBY Volume 07B Page 522
BENNETT, WILLIAM ARTHUR mmn WHITE
GRO Reference: 1871 M Quarter in CHESTERFIELD IN THE COUNTY OF DERBY Volume 07B Page 580
Sep 1865 Chesterfield 7b 697
Bennett John
Gilbert Sarah Jane
Marsden Joseph
Webb Ann