Hi
You will need to check the name of Robert's father from his marriage certificate, but these are the closest possibles:
1881 Census
3 Tweedmill, Coldstream, Berwickshire, Scotland
1881_308 ED3 Page 23
William ANDERSON Head 45 Miller Earlston Berwickshire
Mary ANDERSON Wife 51 Miller's wife Chirnside Berwickshire
Mary ANDERSON Daughter 24 Miller's daug England
Robert ANDERSON Son 21 Mill Carter England
1871 Census
RG10/5186 Folio 79 Page 26
Twizell Mill, Twizell, Northumberland
William ANDERSON Head Mar 36 Miller Scotland
Mary ANDERSON Wife Mar 39 Scotland
James ANDERSON Son Unmar 16 Miller Scotland
Mary ANDERSON Daur 14 Scholar Northumberland Ford
Robert ANDERSON Son 11 Scholar Northumberland Twizell
1861 Census
RG9/3889 Folio 8 Page 24
Twisel Mill Cottage, Twisel, Northumberland
William ANDERSON Head Mar 26 Miller Scotland
Mary ANDERSON Wife Mar 30 Scotland
Thomas ANDERSON Son 6 Scotland
Mary ANDERSON Daur 4 Etal Mill Ford Northumd
Robert ANDERSON Son 1 Twisel Mill Norham Northd
Regards
Helen K