What is the number of Jesus' siblings?
What is the number of Jesus' siblings?

Overview of the Question

The topic of whether Jesus had siblings and, if so, how many, has long been discussed in biblical studies. Within the Gospel accounts, a straightforward reading indicates that Jesus indeed had physical brothers and sisters. The pertinent question revolves around the number and identity of these siblings. Several passages illuminate this point, giving us the names of four brothers and an unspecified number of sisters.


Scriptural References to Jesus’ Brothers

One of the most definitive passages is found in Mark 6:3:

“Isn’t this the carpenter, the Son of Mary and the brother of James, Joseph, Judas, and Simon? Aren’t His sisters here with us as well?”

This statement, expressed in the local community of Nazareth, specifically names four individuals widely considered to be Jesus’ brothers: James, Joseph (sometimes called Joses), Judas (also known as Jude), and Simon. Additionally, this same verse mentions “His sisters,” indicating at least two sisters.

A parallel reference appears in Matthew 13:55–56:

“Isn’t this the carpenter’s son? Isn’t His mother’s name Mary, and aren’t His brothers James, Joseph, Simon, and Judas? Aren’t all His sisters with us as well?”

Both Mark 6:3 and Matthew 13:55–56 corroborate that there were four brothers named and multiple sisters. This would suggest Jesus had at least six siblings.


Number of Brothers and Sisters

Four named brothers are found in the biblical text. As for the sisters, there is no explicit count, but the wording of Mark 6:3 and Matthew 13:56—“Aren’t His sisters here with us?”—uses the plural form. This most likely indicates at least two sisters. Consequently, the minimum implied total is four brothers plus at least two sisters.

Because Scripture does not enumerate the sisters, different possibilities surface: there could have been two, three, or more. Nonetheless, at least two sisters are clearly indicated by the plural form of the Greek word for “sisters.” Thus, depending on how many sisters there were, the total number of siblings (brothers and sisters combined) could well be six or more.


Scholarly and Traditional Debates

Historically, there have been three predominant views regarding these siblings:

1. Literal Siblings: This view, based on the straightforward reading of Mark and Matthew, understands them as children born to Mary and Joseph after Jesus’ birth. This perspective holds that Mary had additional children following her firstborn (Luke 2:7).

2. Half-Siblings: Some have proposed that these siblings were children of Joseph from a previous marriage (thus making them Jesus’ step-siblings). This hypothesis seeks to uphold a belief in the “perpetual virginity” of Mary but does not alter the actual names provided in Scripture.

3. Cousins/Relatives: Another tradition suggests that “brothers” could mean cousins or close relatives in the ancient cultural context. While the Greek term “adelphoi” can occasionally mean kin outside the immediate nuclear family, its most natural usage in the Gospel accounts tends to refer to actual siblings.

From a plain grammatical and contextual reading of the Gospels, the literal, physical siblings view is the simplest and most direct. This reading aligns with direct references such as John 7:3–5, which says, “So Jesus’ brothers said to Him, ‘Leave here and go to Judea… For even His own brothers did not believe in Him.’” The mention of unbelief until later (James 1:1; Jude 1:1) underscores that these are distinct individuals related to Jesus in a family context.


A Closer Look at the Names

1. James: Known as “James the Lord’s brother” (Galatians 1:19) and widely recognized as the leader of the Jerusalem church (Acts 15). Early church historian Josephus (Antiquities 20.9.1) refers to James, identifying him as “the brother of Jesus who is called Christ,” lending historical weight to his existence as a sibling of Jesus.

2. Joseph (Joses): Referred to in Mark 6:3 and Matthew 13:55. Not as much is known about Joseph/Joses in later scripture or historical writings.

3. Judas (Jude): Commonly identified as the author of the Epistle of Jude, where he calls himself a “servant of Jesus Christ and brother of James” (Jude 1:1).

4. Simon: Apart from mentions in Matthew 13:55 and Mark 6:3, not much biographical detail is preserved about Simon’s role in the early church.

5. Sisters: The sisters of Jesus remain unnamed in Scripture. Yet, from Mark 6:3 and Matthew 13:56, it is evident they were recognized in Nazareth’s community.


Historical and Archaeological Corroboration

Beyond the biblical accounts, early Christian writers such as Hegesippus (quoted by Eusebius in Ecclesiastical History) mention the relatives of Jesus and the continued role they played in the early church. While these historical references do not always specify the exact number of sisters, they confirm that Jesus had recognizable relatives who were viewed as His siblings.

In addition, archaeological discoveries in the vicinity of Nazareth and Galilee highlight the cultural norm of larger families living close together. While this does not give us a specific count of sisters, it supports the plausibility of multiple siblings in a typical first-century Jewish household.


Conclusion: The Likely Number

Based on direct scriptural evidence, the most natural conclusion is that there were four named brothers—James, Joseph (Joses), Judas (Jude), and Simon—and at least two sisters. The exact total number may remain unknown because Scripture does not specify how many sisters He had, but the evidence points to at least six siblings in total.

Readers often ask why the Gospels do not name the sisters, and the simplest answer is that this detail was not essential to the authors’ primary focus: the life and ministry of Jesus. The consistent testimony across multiple Gospel passages and corroboration by early church historians indicate that Jesus came from a family with multiple siblings. Hence, to the question “What is the number of Jesus’ siblings?” the consensus from Scripture strongly points to four brothers and at least two sisters.

(References from the Berean Standard Bible)

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