According to Anne Edward's Grimaldis of Monaco,Isidore de Lara was born Isidore Cohen in London in 1859. He was a piano prodigy. After Albert I slapped the Princess de Monaco on the premiere night of Jules Massenet's opera Le Jongleur de Notre-Dame, she left the palace and requested an official separation in May 1902. They never divorced, later in London she became a close friend of Queen Alexandra and was a hostess to one of the most glittering salons in London. She and de Lara occupied two large suites in London's Claridge's Hotel until her death in 1926.
