In the above example the two people are baptized Christians of different confessions (or denominations), but a non-baptized person is not a part of the Christian family.When it involves someone who has not been baptized then the marriage requires an express dispensation from the bishop in order for the union to be considered valid.Scripture tells us that the unbelieving spouse is made holy through the believing spouse (1 Cor. Sacramentally in marriage the spouses are the conduits of grace to each other and in a mixed-marriage of disparity of cult the Catholic is a conduit of grace to the non-believer.If this leads to a free conversion of belief by the non-believer then the church rejoices.Southern Europe remained Catholic, while Central Europe was a site of a fierce conflict, culminating in the Thirty Years' War, which left it devastated.
In either case the disparities between faiths can lead to tension and gradually religious indifference.
Much work in battling Protestantism was done by the well-organised new order of the Jesuits.
In general, Northern Europe, with the exception of most of Ireland, came under the influence of Protestantism.
The largest groups were the Lutherans and Calvinists.
Lutheran churches were founded mostly in Germany, the Baltics and Scandinavia, while the Reformed ones were founded in Switzerland, Hungary, France, the Netherlands and Scotland.