Your son´s son is your...
grandson
Who is she?
A baby(a baby girl)
Your father´s brother is your...
uncle
Your sister´s husband is your...
brother-in-law
Your father´s sister is your...
aunt
Your mother´s father is your...
grandfather/grandpa
Your father´s parents are your...
grandparents
Your mother´s mother is your...
grandmother/grandma
Your daughter´s daughter is your...
granddaughter
Your aunt´s daughter is your...
cousin
Your sister´s son is your...
nephew