.. in 1881 his son was listed as a Musical Instrument Seller living in Kensington, married with a son and daughter. From 1891 to the turn of the century he was as Musical Instrument Manufacturer living in Fulham where he died in 1911.
His unmarried son George Joseph Butler (b1864-1950) carried on the business Manufacturing Musical Instruments.
A zither-banjo marked "Butler, Haymarket, London" passed through the hands of A.P Sharpe but no other details of this maker of (or possibly dealer in) musical instruments were discovered at the time (1960s)
Images courtest of the estate of Richard Evans