Ariel and Kfir Bibas, two of Hamas' youngest hostages, will be among the four dead they will return to Israel this week

Ariel and Kfir Bibas were kidnapped and taken hostage in October 2023 .

They were just four years old and nine months old at the time of their capture.

In November 2023 , Hamas claimed that the boys and their mother had been killed in an Israeli airstrike.

Israeli officials have not confirmed that the children are among the dead.