Fire broke out at a home in Catasauqua, Lehigh County.
Crews were called to the scene around 9:20 p.m. Monday in the 300 block of Howertown Road.
They remained on scene for hours.
Firefighters had to take off some of the siding of the home to get to the fire.
The Red Cross was called in to assist the family.
Authorities have not said what may have started the fire.