Son of Graf Robert Wendelin Heinrich Eugen Hugo von Keyserlingk and Freiin Sigrid Hellen Elisabeth Anna Aline von Keyserlingk Husband of Graefin Monique Aird Keyserlingk and Brigitte Maria Nabroth Gfin. Keyserlingk Father of Nicolas Alexander Graf Keyserlingk; Private and Private User Brother of Private; Private; Private; Private and Private