Court politics can make a fantasy world feel layered, but readers should not need a family tree and a notebook to understand every scene. The goal is complexity with clarity.
Start with the people who want something. A ruler may want stability. A noble family may want influence. An adviser may want to protect a position. A rival kingdom may have its own priorities. Give each important group a motive that readers can understand, even if they do not agree with it.
Next, connect political decisions to characters. A treaty matters because it changes someone's future. A succession dispute matters because a person may lose a home or title. A rumour matters because it affects trust.
Introduce names and factions when they become relevant. Avoid presenting every political detail at once. Readers can learn the structure gradually as characters encounter it.
Finally, show consequences. If a character breaks a rule, someone should react. If an alliance changes, the shift should affect the story.
In fantasy romance, court politics should put pressure on the central relationship without overwhelming it. The personal and political plots are strongest when they influence each other.