Spectacular jewelry belonged first to Lady Doreen Brabourne, third daughter of the 6th Marquess of Sligo,wife of the Governor of Bombay. Norton Cecil Knatchbull-Hugesson, 5th Baron Brabourne 1895 – 1939. Served WW1 in Royal Artillery and in RAF, mentioned in despatches several times.He married Lady Doreen Browne, daughter of the 6th Marquess of Sligo and their…