Plausibility check:Denmark Aquitaine personal union

Is a personal union between Aquitaine and Denmark or Aquitaine, Denmark and Norway possible, is it possible for Eleanor of Aquitaine or any ATL Aquitainian heiress to marry a Danish monarch, I am asking this because I read about Enric de Monpezat who married the Queen of Denmark who is an Occitan.
 
Perhaps if England was in personal union with Denmark? That's the only way I can vaguely, possibly, maybe envision it
 
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