Question about Don Rosa's family tree

[Daniel van Eijmeren]

On COA, an "alt. version" of Don Rosa's family tree (D 11221) is 
mentioned, but it has the very same code and the very same link 
as what apparently should be the original tree.
See: http://coa.inducks.org/coa/c1/story.php/0/D+11221

- What is the difference between the two?
- What is the first European publication of the original(?) tree?
- What is the first European publication of the alternate version?
- Is there an *earlier* unofficial publication of either versions?
  If so, which one is it? 
- Which version has been published in the USA?
- Does the USA version contain changes in comparison to the European 
  versions? If so, which changes?

Thanks in advance.

--- Daniël

"Yikes! How can anything that stuffs itself with HAY be so HARD?"
Which Barks story? :-)