For many in Judah were bound by oath to him, since he was a son-in-law of Shecaniah son of Arah, and his son Jehohanan had married the daughter of Meshullam son of Berechiah.
Jewish Publication Society of America Version (JPS1917) - Nehemiah 6:18 >For there were many in Judah sworn unto him, because he was the son-in-law of Shecaniah the son of Arah; and his son Jehohanan had taken the daughter of Meshullam the son of Berechiah to wife.