A security guard identified as Dominic Peter Adegeze, his daughters Victoria and Judith, and one-month old son, Peter, were found dead in their farm house at Abaji, Abuja.
The wife was unconscious when the first farm worker resumed work Thursday morning, meeting with all access shut.
It was reported the wife Laraba was taken to the University of Abuja Teaching Hospital (UATH), Gwagwalada.
FCT police command spokesman, DSP Adeh Josephine, confirmed the incident, adding investigation was on-going.