Background: Sundanese is the second largest ethnic group in Indonesia. Sundanese has a lot of local wisdom that affects their way of life, one of which is "kudu sapapati samamanis, sabagja sacilaka" which contains the values ​​of togetherness and kinship. These values trigger Sundanese families to develop bonding, attachment, and dependence on family. It may influence Sundanese individual’s independence because they may depend on their family.

Methods: This study used quantitative methods to test hypotheses using the Pearson hypothesis test. Research subjects were taken using a snowball sampling technique. Independence is measured by measuring adolescent autonomy attachments from Noom, Decovic and Meeus (1999), the attachment is measured by the Inventory of Parent and Peer Attachment (IPPA) from Greenberg (1987).

Result: Parent attachments have a relationship to independence with a significance value of .030. Father attachment does not have a relationship with independence because of the significance level of 0.821. Mother attachment has a relationship with independence with a significance value of 0.031. From the average score of attachment, it was found that the subject's score of the subject to the mother was higher than the score of the subject's score to the father. Male independence scores are greater than women's independence scores. The second child has a greater independence score than the first or third child.

Conclusion: There is a positive relationship between independence and parent attachment. There is a negative relationship between father attachment and independence. There is a positive relationship between mother attachment and independence. Research subjects were closer to mothers than to fathers. Male subjects are more independent than female subjects. The second child is more independent than the first child and third child.

Added-Values: The value contained in this study is how Sundanese with their local wisdom maintain family togetherness and attachment so that they can live together with their own families. This value can be a strength and potential that can be used for the welfare of Sundanese themselves and how the government treats Sundanese tribes. This study focused on Sundanese adolescents, as part of the development of Sundanese psychology, this independence is an aspect of personality that deserves to be discussed, because if the possibility of youth independence is low then a preventive action can be taken to prevent behavior, events or events that lead to crime, and if the independence of the Sundanese e is high then stalk holder in this case educators, parents, even the local government can hold and make efforts to maintain or improve the Sundanese youth's independence by knowing what factors can sustain and improve it.