First Assistant Monmouth County Prosecutor Marc LeMieux says the two adults and their children showed signs of injuries unrelated to the fire when they were taken to a hospital, where they died.
Small teams of Fire Department and Red Cross volunteers fanned out in Kingsessing, knocking on doors and offering residents free lithium powered smoke detectors.
It happened at the 3000 block of Arbor Street around 3:45 am.
Officials say the fire Sunday morning has forced some residents out of their homes.
Authorities say two people were injured in the house fire Saturday night in Holmesburg.
The fire broke out around 3:20 am Saturday morning at the 9800 block of Haldeman Avenue.
Police say a woman got lit up at a central Pennsylvania bar before she lit a training dummy on fire.
Crews battled a large fire that broke out Thursday morning at a home in Evesham Township
Police say dogs trying to get at a box of cupcakes left on top of a stove apparently started a small fire in a central Pennsylvania home.
Authorities say one person and six animals died in a fire in Chester County early Tuesday morning.
Thursday, the 5-year-old service dog, a yellow Lab, called the fire department by pushing a button on the phone then pulled her owner from the burning home.
The blaze broke out late Wednesday night at Jade Precision Medical Components in Lower Moreland.
Officials placed the incident under control at 10:49 a.m.
Authorities say there are no reports of injuries at this time.
The fire in Middlesex County sent thick black smoke and flames up into the sky that could be seen for miles.