And Jesus himself began to be about thirty years of age, being(as was supposed) the son of Joseph, which was the son of Heli,

LUKE 3:23KJV
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Luke 3:23 (KJV)

What does Luke 3:23 mean?

Luke 3:23 states that Jesus began his public work when he was about thirty years old and was thought to be the son of Joseph, who was the son of Heli. The verse introduces Jesus’ genealogy by noting both his approximate age and his family connection as understood by the people around him.

Luke, the writer, is narrating to his readers and setting the stage for Jesus’ ministry. By mentioning Jesus’ age and how people supposed him to be Joseph’s son, Luke is both grounding Jesus in history and preparing to trace his lineage. This verse marks the transition from Jesus’ early life to his active role as a teacher and leader.

The Greek behind Luke 3:23

  • ὡς ἐνομίζετο (hōs enomizeto, “as was supposed”): This phrase means that Jesus was generally thought or assumed to be Joseph’s son, highlighting that this was people’s perception rather than a biological statement.
  • ἤρξατο (ērxato, “began”): This word means to start or commence, indicating the beginning of Jesus’ public activity or ministry at this point.
  • ὡσεὶ (hōsei, “about”): This word shows that Jesus’ age was approximate, not a precise number, which was typical in ancient biographies.

Why Luke 3:23 matters

  • Luke 3:23 clarifies that Jesus’ relationship to Joseph was understood by others as a legal or social one, not necessarily a biological one, which is important for understanding the genealogy that follows.
  • The mention of Jesus being “about thirty” connects him to the age when priests began their service in the Old Testament, hinting at the significance of this moment.
  • This verse serves as a bridge between the story of Jesus’ early life and the detailed genealogy that follows, helping readers see Jesus’ place in history and tradition.

Where else these words appear

“thirty” Greek G5144 · used in 11 verses

  • Matthew 13:8 But other fell into good ground, and brought forth fruit, some an hundredfold, some sixtyfold, some thirtyfold.
  • Matthew 27:3 Then Judas, which had betrayed him, when he saw that he was condemned, repented himself, and brought again the thirty pieces of silver to the chief priests and elders,
  • Mark 4:20 And these are they which are sown on good ground; such as hear the word, and receive it, and bring forth fruit, some thirtyfold, some sixty, and some an hundred.

“supposed” Greek G3543 · used in 15 verses

  • Matthew 5:17 Think not that I am come to destroy the law, or the prophets: I am not come to destroy, but to fulfil.
  • Acts 7:25 For he supposed his brethren would have understood how that God by his hand would deliver them: but they understood not.
  • Acts 17:29 Forasmuch then as we are the offspring of God, we ought not to think that the Godhead is like unto gold, or silver, or stone, graven by art and man's device.

“about” Greek G5616 · used in 34 verses

  • Matthew 3:16 And Jesus, when he was baptized, went up straightway out of the water: and, lo, the heavens were opened unto him, and he saw the Spirit of God descending like a dove, and lighting upon him:
  • Luke 9:28 And it came to pass about an eight days after these sayings, he took Peter and John and James, and went up into a mountain to pray.
  • Acts 2:3 And there appeared unto them cloven tongues like as of fire, and it sat upon each of them.

“Joseph” Greek G2501 · used in 34 verses

  • Matthew 1:16 And Jacob begat Joseph the husband of Mary, of whom was born Jesus, who is called Christ.
  • Luke 1:27 To a virgin espoused to a man whose name was Joseph, of the house of David; and the virgin's name was Mary.
  • John 4:5 Then cometh he to a city of Samaria, which is called Sychar, near to the parcel of ground that Jacob gave to his son Joseph.