Condé has never been married, but had multiple mistresses.

Do Mary and Condé end up together?

Mary ends her affair with Conde. Prince Louis Condé is suspected of having committed treason, and Mary helps him escape. This is later proven to be true when Conde marries Elizabeth I by proxy.

Does Mary get pregnant by Condé?

As for other ill-fated lovers, Mary reveals what we already knew in that her pregnancy is a fake. Its just a ruse to win over Conde's trust while she plies his army with Greer's prostitutes and creates a hysteria over a totally manufactured plague.