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My research has brickwalled with Thomas Walker born in 1844 in Bottesford and his son John William Walker born 1885 in Nottingham. I know JWW was in Riddings Centre, Derbyshire - some form of technical college as far as I can ascertain in 1908 & 1909, but I don't know whether he arrived in Derbyshire solely to attend or actually lived there. The 1881, 1891, and 1901 censuses can't really help - they're just not recent enough. *Update* Found JWW in Somercotes on the War Memorial and subsequently on the censuses after trying name variants. Thomas died there in the early 1900s. My next difficulty is with Thomas' grandfather Joseph, who was born in 1786ish in Chesterfield and died in the Spittlegate Workhouse in Grantham. My assumption is that he was indentured as an apprentice to the village of Bottesford, and when neither he nor his family could support him anymore, he was put in the workhouse. His son Joseph, Thomas' father, died first in 1852, himself a pauper. Interestingly, Joseph is named in a book on the pigments used for tile making, the colour of note being Bottesford Blue, indigenous to that area (if colours can be indigenous, that is). The book is at Nottingham University.