How to marry nobles in Kingdom Maker?

Could you please elaborate on the process of marrying nobles in Kingdom Maker? I'm particularly interested in knowing the steps involved, any prerequisites that need to be met, and any tips or strategies that could help in securing a successful union with a noble family. Additionally, I'd like to understand the potential benefits and drawbacks of such a marriage, as well as how it might impact my kingdom's overall development and stability. Thank you for your time and assistance.