This vast area of land has been owned by our family for generations.

Tokkou is the name of my school.

How do I adjust the light level in this room?

He adjusted the light levels of the lamp to change the atmosphere of the room.

My father works in heavy industry.

He is studying the royal genealogy records to deepen his understanding of Japanese history.

He is a member of the royal family registered in the royal genealogy records.

His grandfather was a member of the special attack unit.

He joined the party late.

He has an advanced academic background, and his knowledge is extensive.