Well well well: the younger daughter just came to visit complete with a fiancé and a ring to match. So that’s happening. (A really good guy, I will add.)
They live in Denmark, so the logistics will be… interesting.
And bearing gifts! I will try to live up to this claim: 
Congratulations!
Y'all are so cosmopolitan!
Yokel Ohio parent, more like 
Congratulations!
Congrats to the lovebirds!
Congratulations!
I will relay the well-wishes from all my mysterious Internet friends!
Congratulations!