King James Version (KJV)
Let his posterity be cut off; and in the generation following let their name be blotted out.
Modern English
May his posterity be cut off; may his name be blotted out in the second generation!
Hebrew
יְהִ֣י אַחֲרִית֣וֹ לְהַכְרִ֑ית בְּד֥וֹר אַ֝חֵ֗ר יִמַּ֥ח שְׁמָֽם׃
yhiy ʾaḥariytvo lhakriyt bdvor ʾaḥer yimaḥ shmam