Slytherin House

Interesting Fact of the Month! The fact that J. K. Also as Voldemort and Snape are both half-bloods.

Rowling intended to place a character named Mafalda, a half-blood who was the daughter of a Squib and a Muggle, in Slytherin, suggests that Rowling at least does not view the Slytherin House desire for blood-purity as particularly influential upon the Sorting Hat.