[lastchance]

See my answer to Editor Surveyor.

Orthodox Christianity both Catholic and Protestant believe that Jesus Christ is one person with two natures. This is known as the Hypostatic Union.

http://www.desiringgod.org/blog/posts/what-is-the-hypostatic-union

I think the above site is named after John Piper’s book. So I’ll assume it is vetted by Protestants.

[knarf]

Then what is Nestorian heresy?