The Selwyn family is a well-known Death Eater, and every generation believes in the principle of pure blood supremacy. Selwyn was a Slytherin in every generation until Jessamine appeared... Jessamine Selwyn, our protagonist, is a Gryffindor. On her second day of school, Jessamine received a shouting letter from her grandfather, who had just recognized her. Rogers Selwyn's furious voice almost brought down the ceiling of Hogwarts. In this way, Jessamine began her turbulent life in the magic school.