Where Angels Fear to Tread

Some spoilers in the paragraph below...

Widowed Lilia Herriton travels to Italy and falls in love with a much younger man, Gino. Family is sent to Italy to stop the upcoming wedding between the two, but brother-in-law Philip arrives too late. Lilia dies in childbirth, and Philip is sent back to Italy to retrieve the child...

It's been a long time since I have read a book that left me thinking like this one did. Now I plan to watch the 1991 movie.