PS
The problem with the merges is so many people had added display names or married names for women or didn't give enough detail for men, who were of a particular dynasty.
It's good to list out her title and where s/he was from in the Suffix to help you clean it up.
Even if a person had no last name, but you know they were of the Plantagenet line, it's good to list their last name as PLANTAGENET, add his title and city at the suffix line:
First: John
Middle: III
Last: Plantagenet
Suffix: of Lancaster, Prince of England
Or you can keep having incorrect merges because his name is listed like this:
First: Sir John
Middle: Prince of
Last name: England
Suffix: III
You know how many Sirs and Johns there were of England? LOL
I saw FOR EXAMPLE: Adelaide de Beaumont merged with Adele de Beaumont (nee de Montfort) and Adeliza Princess of England whom was already merged with Adeline Princess of France and 5 other Adel-somethings. And it's like how do you go from there?
Now if it were changed to names like:
Adelaide de Beaumont, Princess of France
Adele de Montfort, Queen of France
Adeliza de Sicily, Reina de Castilla
Adeline Plantagenet, Princess of France
Etc...that would help people NOT continuously merging the names. Since they could all be married to a John (Plantagenet, de Montfort, de Beaumont, Lancaster, Carolingian, Rodrigue, etc).
It took me over a year and go deeper into genealogy to avoid using maiden and married names. I used to like them because I thought it would help people find profiles easier. It seems to screw things up more since some people also put in display names that contradict the First, Middle, Last, Maiden. I've also stopped using Display names on OTHER profiles if I can help it...minus people like Marilyn Monroe/Norma Jean Baker whom was the same person.
What also helps me in tangled messes like the Norman and English royal families is adding in capital letters for example [DAUGHTER OF SIMON and MARY] into the middle name or suffix of a profile who has something like 15 different parents. That way I can weed out the wrong parents. If you see stuff like that, it was probably me while I was working on it in the beginning to mid August 2010.