who was Jacob's great grand father?

It's c, ephraim black.
Because in the movie twilight, jacob says when him and Bella are talking on the beach.

c.Ephraim Black he was the alpha of his pack

C. Emphriam Black
It is Emphriam Black because in the movie he is the leader of the নেকড়ে pack jacob even ব্যক্ত it in the movie on the সৈকত to bella

ephraim black answer 'c'

Ephraim Black answer c!!!!!!!!!!!!!

I প্রণয় JACOB!!!!!!!!!!!!! I have read all of the বই and watched all of the চলচ্চিত্র even breaking dawn part two like 100 million times and I am only 12

ephraim black

C