He is betrothed to Belle, but she breaks the engagement because he has grown to love money more than anything else.
Scrooge's first name is Ebenezer.
Ebenezer
Mr Fezziwig
Bob Cratchit
Scrooge was engaged to Belle Fezziwig, the daughter of his employer.
Jacob Marley
Ebenezer Scrooges
It was an engagement to marry
Fred does not have a fiance he is married and in teh original text her name is never mentioned she is simply referred to as "darling" or "my love"
As the story unfolds we see Ebenezer's softer side break through
In the book her last name was originally Scrooge, but her married name and the last name of her son is not given. In one movie adaptation, Fred Holywell is the nephew to Ebenezer Scrooge, and son to Ebenezer's sister, Fan. So Fan's married name was Holywell.
Ebenezer Scrooges house keeper on 2 shillings a week