Dying without children, on his death, his sister Isabel was retoured heir to him.

Estrela felt safe with sister Isabel.

His sister Isabel also a writer, lived in the house as well.

When I called, his sister Isabel answered.

This time I saw your sister Isabel.

I had been Warwick's daughter and, with my sister Isabel, the richest heiress in the kingdom.

He called his sister Isabel and said he was on special assignment; he'd be incommunicado for a while.

However, a tragedy occurs when her sister Isabel commits suicide due to unrequited love.

My sister Isabel was ambitious, and jealous in the bargain.

He left his property to his sister Isabel, who lives in Scotland.