King James Version (KJV)
Their seed is established in their sight with them, and their offspring before their eyes.
Modern English
Their offspring are established in their presence, and their descendants before their eyes.
Hebrew
זַרְעָ֥ם יִכּ֗וֹן לִ֫פְנֵיהֶ֥ם עִמָּ֥ם וְצֶאֱצָאֵיהֶ֗ם לְעֵינֵיהֶֽם׃
zarʿam yikvon lipneyhem ʿimam vṣeʾeṣaʾeyhem lʿeyneyhem