I was playing as Aerys and after he died as Rhaegar I got two events right away that each of my children was a bastard.
Well the only time I've had it work now is when you get the popup message from the other party and if you accept through that but otherwise it doesn't work for meI was betrothed and the marriage happened just fine when they came of age.....
Petry baelish (16) > catelyn stark (7) from the begining of game...
This bug remains from the old version: playing as a Targaryan king, if I marry a valyrian woman from another family she dies instantly.
Also posting here at least some of these are probably bugs
Played as craster crowned my self king of the wall and then passed the title on to gilly. Strange things that I noticed:
2) I, as Gilly, mattrilearly married the Lord Commander of the Nightswatch. The 2nd best suggested option was Baristan Selmy...