Traces seven generations of Henri Fayol′s family through family records and public documents found in France. These previously unpublished records document the financial situation of the Fayol family, further details of Fayol′s career, and other information concerning his descendants. For many years the Fayol family members and their in‐laws had close ties with Commentry‐Fourchambault and Decazeville. Suggests the circumstances which led to the estrangement of Henri Fayol from his only son, as well as the role the Fayols played in the international management movement.