- James is the man who/whom we know is who won it.
I've been trying to work this out, but for the life of me, I can't work out in such a scenario as shown above if the restrictive relative pronoun is to be an object pronoun or a subject pronoun. That's because I can't tell if it is the direct object of the transitive verb, which in the example is "know," or is a subject of the linking verb, which in the example is "is," the verb "to be" never taking object pronouns but only subject pronouns. Every time I try to work this out, I can't tell which to use because I can't tell what the relative pronoun is actually standing in for.
Yes, the dilemma could be easily avoided by simply switching the restrictive relative pronoun out for "that," but because this relates to some lyrics I'm writing where I'm using some internal rhyming, I really want it to be "who" or "whom," not "that." Plus, avoiding questions only furthers ignorance, and I don't want to be ignorant.
So, in a relative clause, like that in the example above, that employs two verbs, a linking verb that would require the relative pronoun to be "who" and a transitive verb that would require the relative pronoun to be "whom," which is the right pronoun to use and why?