Tags: Noble.
Lt.-Col. Baron Jules de Koenigswarter (March 7 1904 Paris – February 15 1995 Málaga) was a French soldier and diplomat of Jewish descent.He was the son of Baron Louis de Koenigswarter. He studied at the École nationale supérieure des mines de Paris becoming a civil engineer and diplomat by profession. He married the noted jazz patroness Nica de Koenigswarter née Kathleen Annie Pannonica Rothschild in 1935. They lived together in a château in north-west France.