His youngest brother , Guy Sidney Jones ( 1875 -- 1959 ) , also became a conductor and composer whose musical scores included The Gay Gordons ( 1907 ) .
Jones was the eldest son and second of six children .
Jones ' youngest brother , Guy Sidney Jones ( 1875 -- 1959 ) , also became a conductor and composer whose musical scores included The Gay Gordons ( 1907 ) .
Jones was the eldest son and second of six children .