Betrothing meaning

Stilicho and Serena were named guardians of the youthful Honorius when the latter was created joint emperor in 394 with special jurisdiction over Italy, Gaul, Britain, Spain and Africa, and Stilicho was even more closely allied to the imperial family in the following year by betrothing his daughter Maria to his ward and by receiving the dying injunctions of Theodosius to care for his children.

John endeavoured to strengthen his position by marrying his daughter Margaret to the dauphin Louis, and by betrothing his son Philip to a daughter of Charles VI.