You should know the greek admits Jesus had brothers and sisters. The others I can excuse even though the context makes it clear.
let's take a look at one of the verses that protestants like to throw out as defending their position:Mat 1:25 and knew her not until (till) she had brought forth a son: and he called his name JESUS. The key word being ἕως
Bible Hub; Strong's concordance 2193/ Thayer's Greek Lexicon 1. the temporal terminus ad quem, till, until (Latindonee,usquedum); as in the best writings a. with an preterite indicative, where something is spoken of which continued up to a certain time:
Notice it specifically says it continued up to a certain time. It does not say or imply that the condition changed afterward.
1Co 15:25 For he must reign, till he hath put all his enemies under his feet. Will Jesus's reign end after His enemies are under his feet?
Gen_3:19 in the sweat of thy face shalt thou eat bread, till thou return unto the ground; for out of it wast thou taken: for dust thou art, and unto dust shalt thou return. Will Adam eat bread after he dies?
2Sa 6:23 Therefore Michol the daughter of Saul had no child till the day of her death.
How many children did she have after she dies?
Now lets take a look at the issue of "First born" We firs see it when God directs the Israelites to dedicate the first born of man and animals to him: Exo 13:2 Sanctify unto me every firstborn that openeth the womb among the children of Israel, as well of men as of beasts: for they are all mine.
If you look at 1 Samuel you will see that Anna dedicated her firstborn Samuel to God.
we see in Colossians Col 1:15 who is the image of the invisible God, the firstborn of all creation;
Jesus is referred to as the first Born of God?
How many other children did God have?