Which is witch?

''So the witch died....''
     ''Excuse me, which witch?''  
Amanda, the lovely and lively  
Wiccam asked  
As they were sitting around  
The glowing fire  
While listening to soft  
New Age music.  
''The one with the Black Schwatch''  
     ''You mean Dora was with the Regiment?''  
''No, no, that's Dora, with the Golden Broom,  
She follows the vegan regimen of course. No,  
The 'Black Schwatch' we call her because  
Of her unpronouncable name, due to  
The Ghost in her ancestry. That is why she  
And her family tried to escape  
But the Ghost followed them all  
In  a cloud of smoke to Salem''  
     ''Wow! She smoked as well?''  
Prospera was getting tired of  this  
''No, no, dear Amanda,  But the Ghost cast a spell  
On her clan. It comes around every  fifty years  
The Black Schwatch laughed at this, never paid heed.  
 So she was flying around, carelessly as usual,  
Failed to observe the signs and,  
In a nutshell she hit a maple tree.  
Lots of blood, no syrup.