Mahabharata 14.80.20

वीरं हि क्षत्रियं हत्वा गोशतेन प्रमुच्यतेपितरं तु निहत्यैवं दुस्तरा निष्कृतिर्मया

vīraṃ hi kṣatriyaṃ hatvā gośatena pramucyatepitaraṃ tu nihatyaivaṃ dustarā niṣkṛtirmayā

Our plain-language meaning of this verse is waiting for scholar review.