The purpose of this pioneering study in the field of family business is to measure the degree of commitment to the family business among family members who do not actually work in the firm. After analyzing the characteristics of these people, we identify four very different groups. The existence of these four groups suggests that there is a 'natural evolution' in relations between families and their businesses. Based on the behavior of the people in each of the four groups, we aim to identify the factors that can significantly affect the degree of commitment of family members