Canon/Fanon/Scmanon - Snape Sibs

[junediamanti]

Oh wise and holy gurus - enlighten this humble seeker after knowledge.

And I've already given the Lexicon a thorough search thanks.

1. Any Canon evidence for Snape having any siblings?  Lexicon doesn't 
indicate it and I'm 99% sure there is no Canon reference anywhere - 
or have I missed something?

2. Fanon.  Is this a convention that I'm unaware of because I came 
late to the party?

3.  Schmanon.  This is of earthshattering importance. 

Well actually, no.  It's mindblowingly trivial in the great scheme of 
things.  But my fanfiction in progress needs your help!

Answers by email please would be eternally in your debt - well at 
least until Thursday night.

Ta.

June