[A_perfect_lady]

Probably worth noting the amazing Jane Austen and her works. The prototypical RomComs.

I'm pretty familiar with Jane Austen, and none of the plots of her books include this storyline about marrying 13 year olds.

[Owen]

Pretty sure it is P&P. Lydia Bennett arranged to be the “particular friend” of Mrs xxxxxxxxx, who was in her early teens and wife of a retired or retiring admiral.

Harriet somebody.