Just some additions re: the Bonas family, since I made notes on them in the past:
Harry George Bonas 1917-1983, of Grangewood Hall, Netherseale, Derbys., formerly of Stanton Manor, Burton, managing director, Bonas Brothers (producers of, int. al., elastic for tights) m. 1941, Winifred (1918-2010), O.B.E., J.P., dau. of - Hodgkins. It was he who greatly increased the company's revenue and raised the family's status to the point where his son, Jeffrey Harry Bonas (1944-), attended Harrow and Oxford, and married a peer's daughter.
He s. of George Bonas (1877-1949), initially in business with his elder brother Joseph at Plough Road, Battersea as butchers and general grocers, but when this endeavour failed he worked for his uncle Joseph at his tape-manufacturing factory in Derby, later opening his own at Castle Gresley; he m. Alice Mary (1883-1959), dau. of - Smith.
His father John Bonas (1847-), of Burton-on-Trent, Staffs., formerly Church Street, Bedworth, nr Nuneaton, Warwicks., grocer, m. 1869, Sophy, dau. of John Dewis. He also worked in tape manufacture and as a factory engineer per census records.