Do you know who your great-grandfather was? His name?

 Yes, I do.

My great grandparents are Abraham Levine and Goldie Benjamin and they were from Minsk:

They settled in Brooklyn and all of the Levines gathered in 1916 for a family photo:

Abraham and Goldie had a son called Max Levine who is my grandfather. He married Bessie Lazarus.

My grandmother, my mother's mother, is Lena Kaplan (from Vilna). 

She married Maurice Seidel (from Vilna) and they had my aunt Ruth, my uncle Charlie, and my mother Dorothy (Levine). 

This side from Vilna: 

My parents had me, and I, at a young age, learned to follow the rule: even in shallow water, always wear a tube:

parent's wedding day: