James & Snape: Related?

[romuluslupin1]

No: HPFGUIDX 110456

"Maren Gest" wrote:
> >if Snape and James were brothers, why don't they have the 
> same last
> > name? 

"tookishgirl_111" wrote:
> Were Snape to be the illegimate son of James's mother from an 
affair with Snape's father (we got a 
> glimpse of what was most likely Snape's father in book 5 and looks 
> nothing like James so it's unlikely he's also James's father) than 
> it would explain a number of other things as well.  It would 
explain 
> the different last names, the general difference in appearance, and 
> possibly why Snape continuely claims that James was arrogant and 
> would "strut" about the castle (it wasn't just because he was good 
> at Qudditch; it was because he was favored over Snape by his 
mother -
>  he was not the one born out of an affair). 


Now Romulus Lupin:
I know it's barely possible for brothers to be born less than 12 
months apart from one another, I've seen it happen, but this is 
supposed to be a *rare* occurrence. Do you think that within the same 
year (for them to be in the same year at school) James' mother had 
time to have a son, have an illicit affair and have another son? (the 
other way round, have an illicit affair, have a son by this man, and 
then marry or make up with her husband and have another son by him 
sounds even more farfetched to me).

Sorry if this had already been answered

Romulus Lupin, who thought Dumbledore name meant something like 
Silence is golden (Dumb=mute l'è d'or=it is golden) before finding 
out the bumble bee affair and thinks his Italian name fits this 
interpretation ;-)