'Certain' in the Bible

that Hanani, one of my brethren, came, he and certain men of Judah. And I asked them concerning the Jews that had escaped, who were left of the captivity, and concerning Jerusalem.

and certain of the priests' sons with trumpets: Zechariah the son of Jonathan, the son of Shemaiah, the son of Mattaniah, the son of Micaiah, the son of Zaccur, the son of Asaph;

And I contended with them, and cursed them, and smote certain of them and plucked off their hair, and adjured them by God saying, Ye shall not give your daughters to their sons, nor take their daughters for your sons or for yourselves.