Unidentified gunmen shot dead four family members, says Mangaten community at around 3:00 AM on Wednesday, Radio Bakhita reports.
One of the survivors tells the press that five of them were put at gunpoint before the armed men and they started shooting.
He says four of his brothers were shot dead.
The killers are believed to have targeted the members after they received 200 thousand South Sudanese Pounds as payment of a piece of land from Seventh Day Adventists Church.
A similar attack took place along Juba-Kuda road where a police officer was killed and one civilian injured on Wednesday morning.
Luri County Commissioner, Emmanuel Paul, calls for cooperation between SPLA and the organized forces to protect civilians in residential areas.
There have also been recent armed attacks in Juba at night amidst patrols by security personnel.