The Last Heir of Gryffindor

All four Houses fell from grace, losinng their sway or simply having the direct male line die out, all except the Gryffindors. Aeliana, the youngest female heir, thought she had enough to deal with, having befriended the biggest batch of troublemakers ever, eapecially the eternal thorn in her side, Sirius, until Voldemort murders nearly her entire family and she vows revenge.