My father is my mother's (a)  

My father has a daughter. She is my (a)  

My mother has a son. He is my (a)  

My grandmother is married to my (a)  

My grandfather is married to my (a)  

My brother is my father's (a)  

My sister is my mother's (a)  

I am a boy. My grandparents call me their (a)  

I am a girl. My grandparents call me their (a)  

Mother are father are my (a)  

My mother's sister is my (a)  

My father's brother is my (a)  

A father's father

(a)  

A mother's mother

(a)  

My aunt's daughter is my (a)  

My sister has a daughter. Her daughter is my (a)  

My brother has a son. His son is my (a)  

My father is married again. His new wife is my (a)  

My mother is married again. Her new husband is my (a)