SamPap.1..4 :לה ולבנוהי מן אחרוהי לעלמא‏ : his and his children's after him forever
See the entire entry for ˀaḥŏrē, ˀăḥōrē prep. after, behind

SamPap.1..4 :יהוה לה ולבנוהי מן אחרוהי לעלמא‏ : it shall be his and his children's after him forever
See the entire entry for lˁālam, lˁālmīn adv. forever