'Thirty' in the Bible

And he had thirty sons who rode on thirty asses; and they had thirty cities, called Hav'voth-ja'ir to this day, which are in the land of Gilead.

He had thirty sons; and thirty daughters he gave in marriage outside his clan, and thirty daughters he brought in from outside for his sons. And he judged Israel seven years.

He had forty sons and thirty grandsons, who rode on seventy asses; and he judged Israel eight years.

And when the people saw him, they brought thirty companions to be with him.

And Samson said to them, "Let me now put a riddle to you; if you can tell me what it is, within the seven days of the feast, and find it out, then I will give you thirty linen garments and thirty festal garments;

but if you cannot tell me what it is, then you shall give me thirty linen garments and thirty festal garments." And they said to him, "Put your riddle, that we may hear it."

And the Spirit of the LORD came mightily upon him, and he went down to Ash'kelon and killed thirty men of the town, and took their spoil and gave the festal garments to those who had told the riddle. In hot anger he went back to his father's house.

And the Benjaminites went out against the people, and were drawn away from the city; and as at other times they began to smite and kill some of the people, in the highways, one of which goes up to Bethel and the other to Gib'e-ah, and in the open country, about thirty men of Israel.

the men of Israel should turn in battle. Now Benjamin had begun to smite and kill about thirty men of Israel; they said, "Surely they are smitten down before us, as in the first battle."