Barbie Itungo Kyagulanyi, the wife of former National Unity Platform (NUP) presidential candidate Robert Kyagulanyi aka Bobi Wine has also flown to America.
Barbie travelled in Monday night from Entebbe International Airpot using Qatar Airways.
It is believed that her journey comes moments before planned city riots.
Barbie joins her children who flew out of Uganda ahead of the January 14 presidential election.
Bobi Wine says that he got credible information that his children are in danger.
“You remember duting the Togikwatako (presidential age limit) debate, a bomb was thrown through my son’s , they wanted to kill him,” Bobi Wine said in a statement in January.