The family grows

A grandmother is showing her grandson Paul the family tree. Paul is trying to guess what the name of each member is.

Lallita_busu2012

Lallita_busu2012

Lallita_busu2012
I speak:
French
I learn:
English
Busuu berries :
12298

Lallita_busu2012: Let me show you here at the top, that is my father Robert. What would you call him?
Paul: Let me think, he would be my great grandfather.
Lallita_busu2012: Correct, and this here is James, the husband of your aunt, what would you call him?
Paul: Well, this is my uncle! Look how young he looks here.
Lallita_busu2012: Very good! What about this branch here? This is my mother Mary. What would you call her?
Paul: This is easy grandmother; she would be my great grandmother.