It is clear that the law of the firstborn was applied

[Mary Naeem]

Pope Shenouda III



It is clear that the law of the firstborn was applied to the Lord Jesus Christ forty days after His birth,
. Of course, there is no relation at all between the firstborn and the birth of siblings.
Here St. Jerome asks: “When God struck down the firstborn of the Egyptians, did He strike only those who had siblings or every male who opened the womb whether he had siblings or not?”