What's the Name of That Book??? discussion

The genre is fiction. The story is narrated by one of two sisters who are either close in age or twins. Anyway the story follows them throughout their youth into young adulthood, and their sibling dynamic is the main theme in the book. The sister who narrates/is the main character feels inferior to the other sister, who is more outgoing, prettier, more talented, etc. the sister who narrates also compares them to the sun and moon, the more talented sister being and sun and the one narrating being the moon(I believe this was in the story or maybe it was just how I interpreted them, but I thought it’d be important to add).
I believe there is a bit of romance for the “moon” sister sprinkled in?
And then at the end of the story the “sun” sister dies during childbirth, and the “moon” sister ends up taking care of the baby.
The “moon” sister also helps out with her dad who has a fishing boat.
I don’t remember which year I read this but from what I can remember the book was older, not something that had just been published.

Jacob Have I Loved?

I don't think the sister dies in childbirth, but there is a birth scene at the end where the MC helps to deliver twins.

Yes, that’s it! Thank you:)

Rainbowheart wrote: "Jacob Have I Loved?

I don't think the sister dies in childbirth, but there is a birth scene at the end where the MC helps to deliver twins."
M.Eva wrote: "The genre is fiction. The story is narrated by one of two sisters who are either close in age or twins. Anyway the story follows them throughout their youth into young adulthood, and their sibling ..." Yes! That’s it, thank you:)

Awesome, glad to help out!