User blog comment:Skyrim Addict115/How to divorce your spouse in skyrim/@comment-174.243.88.114-20151118020747/@comment-68.224.239.178-20151118032019

You would have to use console commands to get married again, and because Hroki is marked as a child in the CK, you'd have to either go into the CK and put her in a class other than child. Or find a mod on Nexus that already has a marriageable Hroki.