'Twelve' in the Bible

So the twelve called the whole group of the disciples together and said, "It is not right for us to neglect the word of God to wait on tables.

Then God gave Abraham the covenant of circumcision, and so he became the father of Isaac and circumcised him when he was eight days old, and Isaac became the father of Jacob, and Jacob of the twelve patriarchs.

(Now there were about twelve men in all.)

As you can verify for yourself, not more than twelve days ago I went up to Jerusalem to worship.

a promise that our twelve tribes hope to attain as they earnestly serve God night and day. Concerning this hope the Jews are accusing me, Your Majesty!