Constance Georgina Louise Wachtmeister (née de Bourbel de Montpinçon; March 28, 1838 – September 24, 1910), known as Countess Wachtmeister, was a prominent theosophist, a close friend of Helena Blavatsky. She was the daughter of a French marquis, but she was orphaned at an early age. She was raised in England by a maternal aunt. She married the Swedish politician Carl Wachtmeister, who was also her cousin. As a widow, she returned to England and joined the London Lodge of the Theosophical Societ…