BSN: Jude the son of Joseph, the brother of Jesus and James

Jude was sometimes rendered as Judas, and vice versa. (Similarly, Silas and Silvanus are different forms of the same name, as are Pricilla and Prisca.)
Jude is the author of the NT book that bears his name, but see below that he and his brothers were initially opposed to Jesus’ ministry.
Jesus was the firstborn of Joseph and Mary. Jesus had at least four brothers and two sisters. Among the brothers were James and Jude. – Mt 13:55-56; Mk 6:3
Jesus’ family -particularly His brothers – were initially skeptical of His ministry. – Mt 12:46-50; Mk 3:20-21, 31-35; Lk 8:19-21; Jn 7:1-10
By the time of Jesus’ ascension into heaven, His mother and brothers had become dedicated disciples. – Acts 1:12-14
Jesus’ brothers came to be regarded as on a par with the apostles. – 1 Cor 9:5 (We can only say this with confidence about James and Jude because the New Testament does not tell us about how the other brothers turned out.)