Speculation on Tom Riddle's origins/Multiple Riddles

[Kirstini]

No: HPFGUIDX 57436

Riiiight (snaps on a pair of rubber gloves). WHY WHY WHY does 
everyone assume that the dead women identified as "Mrs Riddle" is 
Voldemort's mother? READ. LOOK. 
GoF (UK paperback) p7-8.
      ...a maid had entered the house to find all three Riddles dead.
      ...Elderly Mr and Mrs Riddle had been rich, snobbish and      
rude, and their grown up son Tom even more so.

CoS (UK paperback) - p231
"You think I was going to use my filthy Muggle father's name for 
ever? I, in whose veins runs the blood of Salazar Slytherin himself, 
through my mother's side? I, keep the name of a foul, common Muggle 
who abandoned me before I was born, just because he found out his 
wife was a witch?"
 - p182
"My mother died just after I was born, sir. They told me at the 
orphanage that she lived just long enough to name me Tom after my 
father..."

RIGHT. So, we have now established a) that Preggers!Ginny is not a 
plausible solution, as the Weasleys are certainly not Slytherin's 
heirs. Ditto Hermione, before you all start.
b) Tom Riddle(hereafter referred to as LV, before it all gets 
confusing) did not kill his mother. She was already dead.
c) The "grown up son" is not necessarily Voldemort/Riddle, as he was 
abandoned by his father. "Their" son, remember. First wife is dead. 
As Riddle remarried, and blanked out all traces of previous 
wife/child, isn't it possible that he would restart the tradition of 
naming the eldest son after the father, effectively erasing LV? If 
not, then "grown-up son LV" must have done a lot of grovelling to 
get back in with the family. The villagers seem to know him quite 
well, so he must have been around for some time.

Now, two other points occur to me.
d) A *teenage* boy was seen near the Riddle house on the day of the 
murder. If my theory is correct, the second Tom Riddle, already 
grown-up, should be younger than the first, not older. Therefore, if 
this teenage boy is the young LV, and not a time-travelling Harry, 
then some other kind of time-slip must have happened (can the time-
turner go forward too, do we think?)
e)Of course Harry isn't LV's father. LV has to take "bone of the 
father" in orderto come back to life, and he takes it from *Tom 
Riddle*'s grave. I'd imagine these big important spells would 
require exact ingrediants, ie the correct DNA.    

Kirstini, feeling rather feisty today.