Question

Did Jesus have any siblings?
And what is the story of Jesus?

Answer 1

yes Jesus have siblings

and it is found in the gospel of Mark 6:3 and the gospel of Matthew 13:55-56

Answer 2

James, Joseph/Joses, Judas/Jude and Simon are the brothers of Jesus.

The story of Jesus-

Christians believe Jesus was born through Immaculate Conception. ... It is believed that he began his ministry at age 30 when he was baptized by John the Baptist, who upon seeing Jesus, declared him the Son of God. After baptism, Jesus went into the Judean desert to fast and meditate for 40 days and nights.