Treasury of Scripture Knowledge
And Joseph was thirty years old when he stood before Pharaoh king of Egypt. And Joseph went out from the presence of Pharaoh, and went throughout all the land of Egypt.
These, are the generations of Jacob - Joseph, when seventeen years old, was shepherding with his brethren among the flocks, and, he, being a youth, was with the sons of Bilhah and with the sons of Zilpah wives of his father, - so then Joseph brought in the talk about them - something bad, unto their father.
from thirty years old, and upwards, even unto fifty years, - every one that can enter into the host, to do service in the tent of meeting.
2 Samuel 5:4
Thirty years old, was David when he began to reign, - forty years, he reigned:
And, Jesus himself, was, when he began, about thirty years of age, being the son, as was supposed - of Joseph, of Heli:
1 Samuel 16:21
And David came in unto Saul, - and stood before him, - and he loved him greatly, and he became his armour-bearer.
1 Kings 12:6
Then King Rehoboam consulted the elders who used to stand before Solomon his father, while he yet lived, saying, - How do, ye, advise, that I answer this people?
Seest thou a man prompt in his business? before kings, shall he stand, he shall not stand before men who are obscure.
So then the king, spake with them, and there was not found, from among them all, one like unto Daniel, Hananiah, Mishael, and Azariah, - therefore stood they before the king;
But be watching in every season, making supplication, that ye may gain full vigour, to escape all these things that are about to be coming to pass, and to stand before the Son of Man.
Now, unto him who is able - to guard you from stumbling, and to set you in the presence of his glory, without blemish, with exultation, -