John David McGill
(
= Etterslektstre til dette punkt, 
= Ekspander, 
= Kollaps)
- 1 John David McGill [1]
- + Theodora Ann Nichols
- Jana Vicakova
- 2 Marit McGill [1.1]
- 2 Marit McGill [1.1]
- + Theodora Ann Nichols