Well, a simple idea could be that the pregnancy is a secret at first. Only a few close allies know. Jon and Daenerys have to be very careful to keep it that way. They might have some close calls where the secret almost gets out, adding a lot of tension to the story.
Tyrion Lannister could be involved. He was close to Daenerys and had a relationship with Jon as well. He might be the one to help protect the baby or offer his wisdom in raising the child. Another character could be Ser Davos. He was loyal to Jon and would surely be interested in safeguarding the future of Jon's heir.
There could be. Fanfiction is a vast world where fans can take the story in any direction they like. Since Jon and Daenerys were significant characters in the series, it's not uncommon for fans to write about them. Regarding a story where Daenerys is pregnant, it might be a way for fans to explore their relationship further, perhaps imagining a different future for them. You could also try looking on Wattpad in addition to AO3 for such fanfictions.
In this kind of fanfic, the pregnancy could be a symbol of hope for a new beginning. Jon and Daenerys might start to dream of a more peaceful Westeros, where their child could grow up without the constant threat of war. Their relationship could deepen as they both look forward to the arrival of their baby.
Often, their relationship begins with a bit of tension. Daenerys is a strong - willed queen, and Jon is a respected leader in his own right. But as they get to know each other better, they start to see the good in one another. Their relationship could develop through conversations around a campfire, where they share their dreams and fears. And as they become more intimate, they start to rely on each other more, both emotionally and in the political games of Westeros.
Common themes include destiny. In many 'jon and daenerys fanfiction', they are seen as fated to be together, whether it's to fulfill some ancient prophecy or just to bring about a new era in Westeros. Family also plays a role. Their respective family legacies, the Starks and the Targaryens, are often explored. For example, how their union might heal the rifts between the two families. And then there's the theme of sacrifice. They might have to sacrifice their own desires or even their lives for the greater good of the realm, which is a popular plot point in such fanfictions.
Well, often in such fanfiction scenarios, their secret marriage can also be a plot device to add more drama and mystery. Maybe there are prophecies or hidden forces at work that require them to be married secretly for a greater purpose. For example, there could be a prophecy that only a secret union between a Stark - Targaryen and a pure - blood Targaryen can save Westeros from an impending doom. And this secrecy would then lead to all sorts of twists and turns in the story, like characters suspecting but not being able to prove their relationship, and the two of them having to act as if they are just allies in public while being husband and wife in private.
In many fanfics about Jon and Daenerys, a pregnancy plot can add a lot of drama. It could be a way to further the story, perhaps leading to a union between the two houses they represent. It might also create conflict, as their relationship was already complex in the show.
Fanfiction is a creative space where all kinds of ideas can be explored. While the idea of 'Jon stabs Daenerys pregnant' is quite extreme, it's possible that some writer out there has explored this in a fanfiction. But considering the nature of the plot, it may not be widely popular or easy to find. You could also check relevant fan communities or forums where fans might discuss or recommend such unusual fanfictions.
One idea could be a story where Aemon grows up in a world trying to heal from the previous wars. He has the combined traits of Jon and Daenerys, being both strong - willed like his mother and having a sense of honor like his father. He could be on a journey to discover his own place in this new world, facing challenges from those who still hold grudges against his parents' union.