'Seventy Sons' in the Bible

And Gideon had seventy sons begotten from his body, for he had many wives.

that the violence done to the seventy sons of Jerubbaal might come, and that their blood might be laid upon Abimelech their brother who killed them, and upon the men of Shechem who strengthened his hands to kill his brothers.

Now Ahab had seventy sons in Samaria. And Jehu wrote letters, and sent to Samaria, to the rulers of Jezreel, even the elders, and to those who brought up [the sons of] Ahab, saying,