Alternatively......
His birthplace in 1901 and 1891 is Cowpen, which was in the Township of Horton so I think this is a possible family in 1881 
RG 11 / 5116 / 7 / 5
Sleekburn, Bedlington
Robert Bestford, head, m, 49, coal miner, Northumberland Birtley
Dorothy Bestford, wife, m, 47, do Spittle
William Bestford, unm, 24, coal miner, do Horton
+ younger siblings
Just adding the same family in 1861, living at Bebside,
Cowpen 
RG 9 / 3850 / 89/ 54
Robert Bestford, head, mar, 29, coal miner, Northumberland Birtley
Dorothy do, wife, 27, do Tweedmouth
WIlliam do, son, 4, scholar, do Morton (probably actually Murton)
Dorothy do, daur, 1, do Horton