One possible interesting plot point could be how Jaime and Sansa overcome their initial differences. Jaime has a complex past, and Sansa has her own traumas. Their relationship might start with mutual suspicion but gradually develop into deep understanding and love.
A really engaging plot point could be how their families react. The Lannisters and the Starks have a long - standing enmity. So, the reactions of characters like Cersei from the Lannister side and Arya or Jon from the Stark side would add a lot of drama and conflict to the fanfiction.
Perhaps a plot point could involve the political ramifications of their union. Given their different allegiances in the original story, their marriage could stir up a lot of political unrest or new alliances. It might also lead to a new power dynamic within the fictional world.
It could lead to a lot of power struggles and complex family dynamics. Maybe they'd have to navigate through the politics of Westeros together.
One interesting aspect is their complex relationship. Sansa has been through so much because of the Lannisters, and Jaime has his own journey of redemption. In fanfiction, exploring how Sansa might come to understand Jaime's change or how he tries to make amends to her could be fascinating.
In this fanfiction, Jaime might be portrayed as more remorseful and eager to redeem himself. His marriage to Sansa could be seen as a way to break free from his family's dark legacy. As for Sansa, she could be shown as more forgiving and open - minded, willing to see the good in Jaime despite his past actions.
Well, a possible plot is that they initially keep the pregnancy a secret. Sansa is worried about how her family and the people of Winterfell will react, and Jaime is concerned about the Lannisters' response. As the pregnancy progresses, they start to make plans for the future. They might try to reconcile with their respective families in order to ensure a safe environment for the baby. There could also be a sub - plot where they encounter a seer who gives them cryptic messages about the child's future, adding an element of mystery to the story.
One possible plot could be about how Jaime has to face his complex family dynamics when Sansa is pregnant. He might struggle with how his sister Cersei would react and also deal with the political implications in Westeros.
One interesting fanfiction could be where Jaime and Sansa form an unlikely alliance in King's Landing. Maybe they work together to uncover a conspiracy against the throne that no one else suspects.
One possible plot could be that Jaime is forced into a situation where he has to protect Sansa, and during that time, some false accusations are made that Sansa is pregnant with his child. This then leads to a chain of events where they have to work together to clear their names and also deal with the power struggles around them.
In the 'Tywin marries Sansa' fanfiction, the story could be about how their relationship changes over time. At first, it's a cold and political union. But as time passes, Tywin starts to respect Sansa's intelligence and tenacity. Sansa, on the other hand, realizes that Tywin, despite his ruthlessness, has a certain code of honor. They could end up in a strange sort of partnership, where they work together to face external threats to their combined power, like the threats from other Houses or the impending danger from beyond the Wall.
One possible plot could be that Sansa, after escaping the chaos in King's Landing, travels to Highgarden where she meets Willas. Their relationship starts slowly as they get to know each other. Sansa is initially hesitant, but Willas' kindness and intelligence draw her in. They bond over their love for the land and gardens. Eventually, they marry and together they work to strengthen the ties between the North and the Reach, bringing peace and prosperity to both regions.
One idea could be a political alliance between Sansa Stark and Jaime Lannister. They could team up to outwit other power - hungry lords in Westeros. Their combined knowledge of court intrigue and warfare could make for a great story of strategy and survival.