Whether it is befitting that Christ should be predestinated?

Objections

Objection 1 : It would seem unfitting that Christ should be predestinated. For the term of anyone's predestination seems to be the adoption of sons, according to Eph. 1:5: "Who hath predestinated us unto the adoption of children." But it is not befitting to Christ to be an adopted Son, as stated above (Question [23], Article [4]). Therefore it is not fitting that Christ be predestinated.
Objection 2 : Further, we may consider two things in Christ: His human nature and His person. But it cannot be said that Christ is predestinated by reason of His human nature; for this proposition is false---"The human nature is Son of God." In like manner neither by reason of the person; for this person is the Son of God, not by grace, but by nature: whereas predestination regards what is of grace, as stated in the FP, Question [23], Articles [2],5. Therefore Christ was not predestinated to be the Son of God.
Objection 3 : Further, just as that which has been made was not always, so also that which was predestinated; since predestination implies a certain antecedence. But, because Christ was always God and the Son of God, it cannot be said that that Man was "made the Son of God." Therefore, for a like reason, we ought not to say that Christ was "predestinated the Son of God."