Relative address calculator

Relative address calculator Introduction

1, due to the difference between the north and the south, there may be differences in some titles, this tool is mainly based on the common understanding of modern life.

2, daughter-in-law: in ancient times or today in the north refers to the son's wife, here refers to his wife

3, Grandpa: north refers to the father's brother, here refers to the grandfather's brother

4, wife: in some places refers to an older woman, here refers to his wife