For many in Judah were pledged to him, because he was the son-in-law of Shechaniah the son of Arah, and his son Jehohanan had married the daughter of Meshullam the son of Berechiah.
Nehemiah 6:18
Surrounding context
6:17 Also in those days the nobles of Judah sent many letters to Tobiah, and the letters of Tobiah came to them.
6:18 For many in Judah were pledged to him, because he was the son-in-law of Shechaniah the son of Arah, and his son Jehohanan had married the daughter of Meshullam the son of Berechiah.
6:19 Also they reported his good deeds before me, and reported my words to him. Tobiah sent letters to frighten me.