King James Version (KJV)
And their brethren, which were in their villages, were to come after seven days from time to time with them.
Modern English
And their kinsmen who were in their villages were obligated to come in every seven days, in turn, to be with these.
Hebrew
וַאֲחֵיהֶ֧ם בְּחַצְרֵיהֶ֛ם לָב֥וֹא לְשִׁבְעַ֖ת הַיָּמִ֑ים מֵעֵ֖ת אֶל עֵֽת עִמָּהֶֽם׃
vaʾaḥeyhem bḥaṣreyhem labvoʾ lshibʿat hayamiym meʿet ʾel ʿet ʿimahem