Two things are certain: Firstly, maintaining harmony in the family is difficult and secondly, running a successful business demands much hard work and discipline. In family-owned firms, those two spheres come together and force family members to constantly take decisions: Do we put family harmony before business demands? Can we take business decisions despite the potential for family conflicts? Farida El Agamy, General Manager of the Tharawat Family Business Forum and Attorney-at-Law presents a guide including the key definitions and bodies relevant to the family constitution.