Betroth

förlova

(often of a parent or guardian: to promise that (two people) be married to each other; to promise that (a woman) be given in marriage to a man)

förlova sig

(of a man: to promise to take (a woman) as a future spouse)

trolova

(often of a parent or guardian: to promise that (two people) be married to each other; to promise that (a woman) be given in marriage to a man)