Hessian Biography
- Heyl, Carl Leonhard 1
- Heyl, Christophorus 1
- Heyl, Cornelius 2
- Heyl, Cornelius Julius 1
- Heyl, Cornelius Wilhelm* 1
- Heyl, Daniel Cornelius* Friedrich 5
- Heyl, Dorothea (Doris*) Freifrau von 1
- Heyl, Ferdinand 1
- Heyl, Friedrich 2
- Heyl, Georg* Johann Paul 1