It’s fascinating the life of the
‘blood brother’ phrase now.
I was using it merely to emphasize the SCRIPTURALLY OBVIOUS fact of Mary having other natural children—undoubtedly by Joseph.
I certainly wouldn’t want to label them ET CLONED & implanted SUBSTITUTE BROTHERS!
LOL.
That's the trouble with sola scriptura, especially when practiced by the ignorant and bigoted. More accurate translations are lost.