This is rather time consuming and annoying.
Before granting a fief, it helps if you talk to each lord to determine who they support.So you always want to make sure your important fief holders for castles and towns have good relationships with you. Higher relationships with your lords will ensure that it's less likely for them to defect and cause you to lose a fief.Yet, giving a fief to a lord is not enough a big enough bump for him to overlook you giving a fief to two lords he despises. Your relationship with all of these lords may drop by several points. Granting a fief to a certain lord will alienate all other lords who are not on friendly terms with the one who got the fief.Here are the things you have to consider: There are benefits and drawbacks of doing either, and you should be very careful when granting fiefs as you can easily alienate a lot of your vassals if you give them out too fast. Politics in Calderia is very very tricky.