How many DEs have kids in Harry's year

[christi0469]

No: HPFGUIDX 32795

  In Voldy's speech to the DEs(aside from Wormtail) he singles out 
Malfoy, Macnair, Avery, Nott, Crabbe and Goyle(he also mentions the 
Lestranges, who are in Azkaban). We know that Malfoy, Crabbe, and 
Goyle have sons in Harry's year at Hogwarts. There is also a Nott 
sorted in SS, but we don't know what gender or house. Unfortunately 
I don't have a copy of SS with me (I borrowed it when I read it, and 
the copy I ordered has not yet been delivered) so I cannot check the 
sorting scene to see if there was also a Mcnair and an Avery. Still, 
4 out of 6 seems a high number, especially as we know that 3 of that 
4 are boys Harry's age. It has also been theorized that the number 
of students in Harry's year is smaller due to Voldy's activities at 
the time they would have been babies. 

  To put out a really wild theory, what if all the Slytherins in 
Harry's year are the children of DE's. We have no reason to suspect 
this, but it would be an interesting turn of events. In any case, we 
do know that Draco is Lucius' son, and it seems likely that the 
Crabbe and Goyle(Harry's age) are the sons of Crabbe and Goyle(DEs). 
These do not strike me as highly common names, such as Smith and 
Jones. For those who have been following the symbols from JKR's BBC 
interview, do you think they could be related to the affiliation of 
those students' parents?

Just something to think about, probably completely off base-Christi 
says in a tone reminscent of Eeyore