Genesis 41:46
Now Joseph {was thirty years old} when he stood before Pharaoh, the king of Egypt. And Joseph went out from the presence of Pharaoh and traveled through the whole land of Egypt.
Genesis 37:2
These [are] the generations of Jacob. Joseph, [being] seventeen years old, was shepherding the flock with his brothers. Now he [was] a helper with the sons of Bilhah and the sons of Zilpah, the wives of his father. And Joseph brought a bad report of them to his father.
1 Samuel 16:21
So David came to Saul and {entered his service}. He loved him greatly and {he became Saul's armor bearer}.
Daniel 1:19
And the king spoke with them, {and among all of them no one was found like} Daniel, Hananiah, Mishael, and Azariah; then they stood {before} the king.
Numbers 4:3
from {thirty years old} and above, up to {fifty years old}, everyone who comes to the service to do the work in the tent of assembly.
2 Samuel 5:4
David [was] thirty years old when he began to reign; he reigned forty years.
1 Kings 12:6
Then King Rehoboam consulted with the old men who had been {serving} before Solomon his father when he was alive, saying, "How [are] you advising [me] {to answer this people}?"
1 Kings 12:8
But he rejected the advice of the old men, which they gave him, and he consulted with the youngsters who had grown up with him, who were {serving} before him.
Proverbs 22:29
A man who is skillful in his work, you shall see: before kings, he will serve; he will not serve before the commoners.
Luke 3:23
And Jesus, [when he] began [his ministry], was himself about thirty years [old], being the son (as it was believed) of Joseph the [son] of Eli,
Luke 21:36
But be alert at all times, praying that you may have strength to escape all these [things] [that] are going to happen, and to stand before the Son of Man."
Jude 1:24
Now to the one who is able to protect you from stumbling and make [you] to stand before his glory blameless with exultation,