On the extinction of a family, the old and ever continuing family rites are destroyed), nobody being alive to solemnize them). When religious rites are thus destroyed, sin predominates over all.
कुलक्षये प्रणश्यन्ति कुलधर्माः सनातनाः। धर्मे नष्टे कुलं कृत्स्नमधर्मोऽभिभवत्युत॥