Bhagavad Gita: Verse 1.43
दोषैरेतैः कुलघ्नानां वर्णसङ्करकारकैः ।
उत्साद्यन्ते जातिधर्माः कुलधर्माश्च शाश्वताः ॥ १-४३॥
doṣairetaiḥ kulaghnānāṃ varṇasaṅkarakārakaiḥ
utsādyante jātidharmāḥ kuladharmāśca śāśvatāḥ
By these evil deeds of the destroyers of the family, which cause confusion of castes, the eternal religious rites of the caste and the family are destroyed.
doṣaiḥ = by such faults; etaiḥ = all these; kulaghnānāṃ = of the destroyers of the family; varṇasaṅkara = of unwanted children; kārakaiḥ = which are causes; utsādyante = are devastated; jātidharmāḥ = community projects; kuladharmāḥ = family traditions; ca = also; śāśvatāḥ = eternal.;