My great-grandfather was a doctor.

My great-grandfather was a doctor.

My paternal grandfather once traveled all over Japan when he was young.

My great-grandfather used to do farming in the past.

My personal thought is that everyone should be treated equally.

He values his private life.

He holds a personal grudge against me.

Using the private railway makes commuting very convenient.

He was born as an illegitimate child and experienced many difficulties.

My grandfather used to till his privately-owned rice field.