Jennifer Lynn Bismarck (b. January 23, 1930) is a Hogwarts Chawosaurian and a Chawosaurian Witch. The youngest daughter of former Prime Minister Jonathan Dragan Bismarck XVII and First Lady Elisabeth Molly McDonald, and the aunt of Jonathan Dragan Bismarck XIX.

She was accepted to Hogwarts in 1941 and was sorted to the Hufflepuff house against her Slytherin father's wishes, she defected from her Orthodox Christian faith to become a Wiccan. She distanced herself from her father and rejected him years before her Hogwarts. Her father became Prime Minister when she was nearly 10-years-old in 1940.