No one seems able to nail down his application for Canadian citizenship and his receipt of that Canadian citizenship.
What difference does it make?
Besides the Vietnam War which is a personal issue with me, the child, Ted Cruz, would have been born in Canada to a father who was identifying with Ted Cruz’s birthplace. One has to wonder if the mother also applied but didn’t follow through. That might explain why we don’t see a CRBA or a birth passport.
Did you read the article I linked to? It provides some other interesting information?