His unmarried sister and sick parents expect a lot from him.

Jason has an attractive unmarried sister who lives across the hall.

So the widow and her unmarried sister lived by themselves in the big house.

I wondered if Anna had an unmarried sister for me.

She became an aunt when her unmarried sister gave birth to a son.

After James' death in 1911, the farm was passed back to his parents and four unmarried sisters to manage.

His unmarried sister and two servants were the only other occupants of the house.

The unmarried elder sister became the focus of pity because she had to live with others.

She added that her 17-year-old, unmarried sister now had a child.

When he was about 18 years old, his parents died and left him with the care of his unmarried sister.