They do not.
Castiel is just an angel not an archangel. Gabriel and Michael are however.
The angel was Gabriel the Archangel.
Archangel Gabriel was created by God as an angel and saint. He never lived as a human.
Gabriel the Archangel has always been an angel and has never lived as a human.
If you are referring to Gabriel the Archangel, he is an angel, created by God in Heaven and had no earthly parents.
Gabriel is an angel who was created as such in heaven by God. He had no need of canonization or beatification.
He was visited mainly by Angel Jibreel or in biblical terms Angel Gabriel.
The only archangels named in the Bible are Michael, Gabriel and Raphael. Isaiah is not an archangel.
God created Gabriel as an angel long before our universe even existed.
Gabriel is an archangel and his job is to be a messenger for God. He was the angel who announced to Mary that she was to be the mother of God.
The angel Gabriel. See Luke 1:19.
The archangel is Micheal (many Catholics believe Gabriel is), but the most powerful angel was Lucifer (now Satan).