My older sister disappeared and never came back.

Sometimes he drives around, saying he's looking for someone whose sister disappeared.

His parents and sisters disappeared into the Treblinka death camp.

'Perhaps she'll write to us,' Julia said, still unable to believe that her sister would just disappear.

One day, his sister disappeared which led him to search for her.

Laughing, he and his sister disappeared around the tree trunk.

We have to go back to the night your sister disappeared.

A lightning or flash of light appeared near the tree and the sisters disappeared.

When he was 14, his 9-year-old sister disappeared, never to be seen again.

Caitlin is at a complete loss when her sister suddenly disappears.