The 37-year-old soldier was pronounced dead on arrival at the Kahawa Garrison Health Centre in Kiambu County, a few hours after the fight.
According to a report by the DCI detectives who visited the scene, Daniel Omollo Onyango and his wife begun fighting a few hours after midnight on Saturday, April 3.
It is reported that the KDF solder bit his wife on the shoulder leading to a fight.
The report reveals that his wife bit him back on the left thumb, left hand, right side of the chest and at the back of the shoulder.
Onyango was then rushed to military health facility after developing convulsions.
The neighbours told the officers that they heard some commotion between Violet Asale Emu and her husband at night.
The husband died at the medical center upon arrival. The wife was then advised by the doctors to seek the help of police officers.
The late Onyango was based at the Gilgil Barracks. The detectives are yet to determine the exact cause of his death.
Meanwhile, Emu will remain in custody as further investigations are carried out