Grandpa and grandson call to tell fortune _ Are grandpa and grandson separated?

What is the relationship between grandpa and grandson?

The relationship between grandparents.

Grandpa and grandson are grandparents. Grandpa and grandson are not immediate relatives. Grandparents and grandchildren are immediate relatives of grandparents' daughters. Grandpa and grandson are also it runs in the family, but they are collateral blood relatives.

The relationship between grandparents and grandchildren refers to the relationship between grandfathers, grandmothers and grandsons, granddaughters or grandfathers, grandmothers and grandsons and granddaughters. Grandchildren are a kind of kinship.