Bhagavad Gita: Verse 1.43
दोषैरेतैः कुलघ्नानां वर्णसङ्करकारकैः ।
उत्साद्यन्ते जातिधर्माः कुलधर्माश्च शाश्वताः ॥ १-४३॥
doṣairetaiḥ kulaghnānāṃ varṇasaṅkarakārakaiḥ
utsādyante jātidharmāḥ kuladharmāśca śāśvatāḥ
Meaning:
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.;