NET
44 but (because they assumed that he was in their group of travelers) they went a day’s journey. Then they began to look for him among their relatives and acquaintances.
Darby
44 but, supposing him to be in the company that journeyed together, they went a day's journey, and sought him among their relations and acquaintances:
KJV
44 But they, supposing him to have been in the company, went a day's journey; and they sought him among [their] kinsfolk and acquaintance.