Children that grow up with good attachment grow up with more empathy. ie, received connection and attachment from parents and family.

Kestenbaum, R.; Farber, E. A.; and Sroufe, L. A. "Individual Differences in Empathy Among Preschoolers: Relation to Attachment History." In EMPATHY AND RELATED EMOTIONAL RESPONSES. No. 44 in New Directions for Child Development series, edited by N. Eisenberg. San Francisco: Jossey-Bass, Inc., 1989.

Looks at the responses of preschool children to classmates in distress in relation to "attachment" profiles of those children when they were infants. Children who were most securely attached to their mothers as infants later exhibited the greatest amounts of empathy toward peers. (COTTON)*