This young chap here is Louis-Charles de Bourbon, who was the son of Louis XVI. IOTL, he died in 1795, two years after his father was executed in the French Revolution (he had an older brother, but he died of an illness just before the French Revolution broke out). However, ITTL, the French Revolution doesn't happen, so both his father and him live on. Louis XVI was 38 when he died, so I'd give him another 30 years or so, considering that he was a king, but before modern medicine, which means he dies sometime in the Early-Mid 1820s. I'd assume that Louis-Charles (or Louis XVII once he became king) would marry young, as Louis XXI married Marie Antoinette at 16, which since Louis-Charles was born in 1785, would mean he'd marry sometime between 1800 and 1805. Now, I have absolutely ZERO knowledge on European dynastic politics at the Turn of the 19th Century, so I'll have to rely on you guys for who Louis-Charles might marry.
The whole point of this ramble is, any ideas for who Louis-Charles/Louis XVII marries, and how can I deal with the MASSIVE butterflies of Louis XVI's bloodline continuing?