The Patna Dharmapada 96

96

47 Dhp294,295
mātaraṃ paṭhanaṃ hantā rājānaṃ do ca khattiye |
rāṣṭaṃ sānucaraṃ hantā anigho carati brāhmaṇo ||

47 Dhp 294, 295
Having slain mother first, and the king, and two kṣatriyas, / having destroyed the kingdom with its subjects, the brahmin proceeds untroubled.