Another woman and two children, believed to be under the age of six, were also in the property when the incident happened but were not hurt. The two children reportedly witnessed the incident, but were unharmed, while a second woman managed to leave the home using a window. Cork home in the early hours of this morning has been named as Mikolaj Wilk.
The couple were rushed to Cork University Hospital for treatment, however Mr Wilk was pronounced dead at around 5.30am.
The men, who were carrying weapons, entered the house and seriously assaulted the man and his partner, whose injuries are not life-threatening.
The 35-year-old Polish man was found with serious injuries when Gardaí arrived at The Bridge House, Maglin, Ballincollig between 3.15am and 3.30am yesterday morning.
In a press conference, Superintendent Colm O'Sullivan said Wilk had left a family behind as well as many friends living in the Polish community.
The couple's home now remains sealed off in order for a forensic examination to take place.
A auto was later found burned out a number of kilometres away at a waterfall. They believe the vehicle was a BMW 3 series.
Gardai have appealed for anyone with information to come forward.
Gardai, who have launched a murder inquiry, responded to the incident at 3.17am on Sunday. Wilk, also known as Nick, ran a garden maintenance business in the area and had lived in Ireland for a number of years.