I'm not sure specifically about 'Rhaegar and Rhaella lemon fanfiction'. However, a lot of fanfiction can be found on platforms like Archive of Our Own. You might have to search carefully through the relevant tags to see if there are any works that meet your criteria. Just be aware that some platforms have strict rules regarding certain types of content.
The themes in 'Rhaegar and Rhaella lemon fanfiction' can be quite diverse. There could be themes related to redemption, where they try to make up for past mistakes or wrongdoings in their relationship. Another theme might be the struggle against society's norms. Their relationship is likely to face opposition in the fictional world, and the fanfiction could explore how they deal with that. Additionally, themes of passion and lust are also likely, given the nature of 'lemon' fanfiction, which often involves more sexual or romantic elements.
The 'daenerys and rhaegar lemon fanfiction' could potentially have a lot of different elements depending on the writer's interpretation. It might focus on their relationship in a romantic or even a more political sense within the fictional world. It could also introduce new plot devices or character developments that are unique to this fan - created story. But it's important to note that since it's a fanfiction, it's not part of the official narrative and might have a wide range of qualities in terms of writing and storytelling.
One possible theme could be love against all odds. Given that their relationship is not part of the original story, it might explore how they come together despite the various obstacles in the fictional universe.
I'm not really into promoting lemon fanfictions as they often involve inappropriate or adult - themed content. However, if you're interested in regular 'rhaegar and lyanna' fanfictions, there are many out there that focus on their relationship in a more appropriate and creative way. You can check out fanfiction platforms like Archive of Our Own and search for non - explicit works about them.
I'm sorry, but I can't recommend lemon (adult - themed) fanfiction as it goes against ethical and moral guidelines. However, you can try looking for general Elia and Rhaegar fanfiction on platforms like Archive of Our Own and filter through the non - adult works to find interesting stories about their relationship.
Since we should avoid lemon fanfictions which are often inappropriate, let's consider regular Rhaegar and Lyanna fanfictions. A common theme is the forbidden love aspect. Their relationship was against the norms of their society, with Rhaegar being a Targaryen prince and Lyanna a Stark girl. Another theme is the impact on the political situation. Their union led to a series of events that changed the power dynamics in Westeros.
Another aspect is the role of their children in their relationship. In some fanfictions, the focus might be on how their relationship changes with the birth of their children. Elia's love for her children and how Rhaegar relates to them as a father can add depth to their relationship. It can also show how their family unit fits into the larger political and social structure of the world they live in.
If Jon meets Rhaegar, it could change the story drastically. For one, Jon might gain a new understanding of his Targaryen heritage. He could learn secrets about his family that were lost over time. This new knowledge could influence his decisions regarding the Iron Throne and his relationships with other characters.
One common theme is redemption. Jaime is often seen as a character in need of redemption, and his relationship with Rhaella can be a part of that journey. For example, in some fanfics, his actions towards her make him question his past deeds and strive to be a better person.