'Seventy Sons' in the Bible

And Gideon had seventy sons of his body begotten: for he had many wives.

That the cruelty done to the seventy sons of Jerubbaal might come, and their blood be laid upon Abimelech their brother who slew them, and upon the men of Shechem who aided him in the killing of his brethren.

And Ahab had seventy sons in Samaria. And Jehu wrote letters, and sent to Samaria, to the rulers of Jezreel, to the elders, and to them that brought up Ahab's children, saying,