The roof of the house, owned by Mohammad Yousuf of Mohmand Agency, came crashing down in which his two sons Sanaullah 12, and Imranullah 7, lost their lives.
His wife Zulekha was also injured in the incident.
Rescue 1122 teams managed to retrieve the bodies with the help of the locals. The corpses and injured were shifted to Benazir Shaheed Hospital.
The incident took place due to heavy rains in the city.