Luke 2:44 in the World English Bible
but supposing him to be in the company, they went a day’s journey; and they looked for him among their relatives and acquaintances.
Context
43 And when they had fulfilled the days, as they returned, the child Jesus tarried behind in Jerusalem; and Joseph and his mother knew not of it.
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.
45 And when they found him not, they turned back again to Jerusalem, seeking him.