The wedding vows as practised in most English-speaking countries derive ultimately from the Sarum rite of mediaeval England. The first part of the vows of the Sarum rite is given in Latin, but is instructed to be said by the priest "in linguam materna", i.e. in the "mother tongue" of those present.
Are the wedding vows in the Bible?
Technically, nothing—there are no wedding vows for him or her in the Bible, and the Bible does not actually mention vows being required or expected in a marriage.
Where do marriage vows come from?
The wedding vows as practised in most English-speaking countries derive ultimately from the Sarum rite of mediaeval England. The first part of the vows of the Sarum rite is given in Latin, but is instructed to be said by the priest "in linguam materna", i.e. in the "mother tongue" of those present.