Those Brahmanas whose antecedents are not known or are vile, and they who are Putrika-putras, should not, O king, be invited on occasions of Shraddhas.
अपरिज्ञातपूर्वाश्च गणपूर्वाश्च भारत। पुत्रिकापूर्वपुत्राश्च श्राद्धे नार्हन्ति केतनम्॥