'Persons' in the Bible

Speak, I pray you, in the ears of all the men of Shechem, Whether is better for you, that all the sons of Jerubbaal, who are threescore and ten persons, rule over you, or that one rule over you? remember also that I am your bone and your flesh.

And he went unto his father's house at Ophrah, and slew his brethren the sons of Jerubbaal, being threescore and ten persons, upon one stone: but Jotham the youngest son of Jerubbaal was left; for he hid himself.

and ye are risen up against my father's house this day, and have slain his sons, threescore and ten persons, upon one stone, and have made Abimelech, the son of his maid-servant, king over the men of Shechem, because he is your brother);

And the men of Israel turned in the battle, and Benjamin began to smite and kill of the men of Israel about thirty persons; for they said, Surely they are smitten down before us, as in the first battle.