Home > Bible Study, church history, doctrines, Systematic Theology > Refuting Errors About the Incarnation

Refuting Errors About the Incarnation


Continuing in the 1689 Exposition series, a few messages on the incarnation address an error that I first heard about two years ago (as put forth by a local Sunday School teacher):  the idea that for Christ to be sinless, He could not have had any of Mary’s DNA; he was human but with no physical, genetic relation to Mary. As noted in this series (see these messages: “The Incarnation”  and “The Virgin Conception”), this view is called ‘seminal headship’, the idea that sin is transmitted through physical substance, and idea in contrast to ‘federal headship,’ in which the sin nature is a legal condition placed upon every person descended from Adam.

Even when I first heard this idea (though not knowing the specific background or terminology), I realized how wrong this is, for several reasons, rooted in the important fact that Jesus was fully God AND fully Man.  This is one of the basic doctrines of Christianity, the hypostatic union, addressed by the early church in response to so many heresies regarding Christ’s nature: errors that said He was only a man, or only God.  But it’s part of basic understanding of true science, how God has propagated the human race, that we all have DNA, the genes passed down from parent to child.  No one could really be human if he did not have the DNA of any human parents. Furthermore, if Jesus did not inherit any human genes from his human mother, He would not be descended from the line of David and would not even be a Jew – another serious theological error. Plus, if He was not really descended from Mary, without Mary’s genes, then He was not the seed of the woman prophesied in Genesis 3:15.  The Messiah was to come from the woman (Mary; Genesis 3:15), from the Jews and the line of Judah (Genesis 49:10), and descended from David, per the terms of the Davidic covenant.  As to Jesus’ physical appearance:  we know that the Jews slandered Jesus for his “illegitimate” birth and the question of who was His father (reference John 8:41).  But they never brought forth the charge that He was not really Mary’s son and did not belong to Mary’s family – which certainly would have been the case if He had not inherited any of Mary’s DNA and had no physical resemblance to Mary or His human brothers and sisters.

The series from Arden Hodgins notes that a few theologians have held to seminal headship, including William G.T. Shedd, Lorraine Boettner, plus Amish and Mennonites. Amish and Mennonite groups hold to an idea of “heavenly flesh.”

An excellent point to counter this idea: sin is not contained in physical substance such as the human seed. That is a gnostic idea, that something physical is bad or sinful. Also, our righteous nature — regeneration and indwelling of the Holy Spirit — does not come to us through any physical means; the new nature does not come to us through the genes.  So why should people think that the sin nature is transmitted through physical means? “Federal headship” makes sense concerning both our sinful nature inherited from the first Adam (a legal state put upon us), and our new righteous nature given to believers in the Last Adam.

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  1. June 3, 2015 at 7:18 am

    Reblogged this on Talmidimblogging.

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