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 "A Christmas Carol" by Charles Dickens, Fred's last name is given as "Scrooge." Fred is Ebenezer Scrooge's nephew who maintains a cheerful and optimistic attitude despite his uncle's miserly nature.
Robert (Bob) Cratchit is Ebenezer Scrooges clerk in the novello A Christmas Carol published in 1843