I through this in over in rasfwrj, but I'll add it here as well.


"Voldemort's mother, who "betrayed" her pure legacy by marrying a muggle
was named Merope. As per the Encyclopedia Mythica, Merope was -


"A Greek mythological figure, Merope is one of the seven Pleiades,
daughters of Atlas and Pleione. The Pleiades were virgin companions of
Artemis. Merope lived on Chios, and was often pursued by Orion. Merope
did not love Orion and married a mortal, Sisyphus."
http://www.pantheon.org/articles/m/merope.html


That last sentence is a neat allusion, huh?"