It does not matter if you are male or female. You, the player, can marry any character of the different sex as long as they are not faction leaders, and that spouse will join your clan. These rules are different for the player character and their siblings. There are special rules when it comes to marriage in Bannerlord. How Marriage Works in Mount and Blade 2: Bannerlord

Who are the Best Partners to Marry in Bannerlord.

How Marriage Works in Mount and Blade 2: Bannerlord.

This is why we have worked to make this extensive guide that will explain the marriage system in Mount and Blade 2: Bannerlord and will get you to enjoy this amazingly effective mechanic. Gone are the days of chivalry and diplomacy, where you could just charm a young man or woman and then befriend their father. Recommended Read: How to Get a Settlement in Mount & Blade 2: Bannerlord

Your spouse can be a very valuable asset that can greatly help you in conquering all of Calradia if you manage to pay their parents first!

Marriage is a very different system and much more useful in Mount and Blade 2: Bannerlord as opposed to how it was in Warband.

Mount and blade wiki courtship