2. Children are called mothers, and when they say it, they are called mothers, mothers and nuns. Written language or outsiders call it mother, mother, old grandmother, old mother, old lady, old grandmother and so on.
3. The child's name is Dad, and the spoken language is Dad, Dad, Dad. Written language or outsiders call it father, father, grandfather, father, father, father and so on.
4. Children are called their mothers' mothers, or grandmothers, grandmothers, grandmothers, grandmothers. Written language or outsiders call it grandma, aunt, grandmother, big mother and queen mother.
5. Nephews are called aunts, aunts, girls and aunts. Written language or outsiders call aunt.
Baidu encyclopedia-family appellation
Baidu Encyclopedia-China People Relationship Diagram