Bhagwad Gita
Chapter 1, Verse 43
दोषैरेतैः कुलघ्नानां वर्णसङ्करकारकैः।
उत्साद्यन्ते जातिधर्माः कुलधर्माश्च शाश्वताः।।1.43।।
O Krishna, maintainer of the people, I have heard by disciplic succession that those who destroy family traditions dwell always in hell.