I need to rewrite this sentece getting rid of unnecessary or redundnt words.

Most of the attempts to prove he did not write the plays are based on the limitation of his experience and upbrining.

And can you please correct this:

1. Apparently, some scholars think that William Shakespeare is a fraud.
2. Over the years, there have been several attempts to prove that the plays usually attributed to Shakespeare were actually written by someone else.
3. sfds
4. First, we can begin by looking at the fact that most of his plays are set in foreign settings, he never traveled to other countries.
5. It also appears that whoever wrote the plays knew both French and Italian, but there is no evidence that the man from Stratford knew either of two languages.
6. It is a true fact that William Shakespeare was the son of a glover from Stratford.

The limitations of his experience and upbringing offers strong evidence that he did not write the plays.

Attempts to prove Shakespeare's non-authorship of the plays often stem from the limitations of his experience and upbringing.

1. Some scholars believe William Shakespeare is a fraud.
2. Numerous attempts have been made to prove that the plays commonly attributed to Shakespeare were actually penned by someone else.
3. (This item appears to be incomplete. Please provide more information or disregard this item.)
4. Most of his plays are set in foreign locations despite Shakespeare never travelling abroad.
5. The plays demonstrate knowledge of French and Italian, but there is no evidence that the man from Stratford was familiar with either language.
6. William Shakespeare was indeed the son of a Stratford glover.

Most attempts to prove he didn't write the plays are based on his limited experience and upbringing.

And the corrections:

1. It seems that some scholars consider William Shakespeare to be a fraud.
2. Throughout the years, multiple attempts have been made to prove that the plays commonly attributed to Shakespeare were actually authored by someone else.
3. [Please provide the correct sentence or remove this item.]
4. To start, let's examine the fact that his plays are primarily set in foreign locations, despite him never having traveled to other countries.
5. Additionally, it seems that the playwright had knowledge of both French and Italian, but there is no evidence to suggest that the man from Stratford knew either of these languages.
6. It is true that William Shakespeare was the son of a glover from Stratford.