'Thirty' in the Bible

And he had thirty sons that rode on thirty ass colts, and they had thirty cities, which are called Havvoth-jair unto this day, which are in the land of Gilead.

And he had thirty sons; and thirty daughters he sent abroad, and thirty daughters he brought in from abroad for his sons. And he judged Israel seven years.

And he had forty sons and thirty sons'sons, that rode on threescore and ten ass colts: and he judged Israel eight years.

And it came to pass, when they saw him, that they brought thirty companions to be with him.

And Samson said unto them, Let me now put forth a riddle unto you: if ye can declare it unto me within the seven days of the feast, and find it out, then I will give you thirty linen garments and thirty changes of raiment;

but if ye cannot declare it unto me, then shall ye give me thirty linen garments and thirty changes of raiment. And they said unto him, Put forth thy riddle, that we may hear it.

And the Spirit of Jehovah came mightily upon him, and he went down to Ashkelon, and smote thirty men of them, and took their spoil, and gave the changes of raiment unto them that declared the riddle. And his anger was kindled, and he went up to his father's house.

And the children of Benjamin went out against the people, and were drawn away from the city; and they began to smite and kill of the people, as at other times, in the highways, of which one goeth up to Beth-el, and the other to Gibeah, in the field, about thirty men of Israel.

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.