Cutting the hair from his head, depriving him of his wealth and driving him from his residence are the prescribed punishments for the relative of a brāhmaṇa. There is no injunction for killing the body.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
वपनं द्रविणादानं स्थानान्निर्यापणं तथा । एष हि ब्रह्मबन्धूनां वधो नान्योऽस्ति दैहिकः
vapanaṃ draviṇādānaṃ sthānānniryāpaṇaṃ tathā | eṣa hi brahmabandhūnāṃ vadho nānyo'sti daihikaḥ
SB 1.7.57