B. Heller
(
= Etterslektstre til dette punkt, 
= Ekspander, 
= Kollaps)
- 1 B. Heller [1]
- J.H. Alexander
- 2 B.L. Alexander [1.1]
- 2 D. Alexander [1.2]
- S. Alexander
- 3 K. Alexander [1.2.1]
- 3 K. Alexander [1.2.2]
- 3 K. Alexander [1.2.1]
- 2 B.L. Alexander [1.1]
- + L.A. Cassil