The Ghana international ended a three-year spell at Tynecastle in the summer to join Vitesse Arnhem. He came on as a sub in the Dutch club's 1-1 draw at NAC Breda on Saturday night. Around the same time, five armed raiders broke into the midfielder's family home in Ghanaian capital Accra after beating up a security guard.
Kingston learned the news in phone call from his mother in the early hours of Sunday. Vitesse have excused him from playing in their Dutch FA Cup tie against FC Twente tomorrow.
"They took my little boy, who is two years old, at gunpoint and asked him to show them where the money was," said Kingston, 30. "My nanny was crying and telling them that there's no money in the house. She said that my wife and I were not in town so there is nothing in the house.
"They took my wife's laptop and jewellery box and my kids' PlayStation. They took all the mobile phones in the house and they went away with my three car keys. But they didn't touch my cars, so I don't know what they are going to do with the car keys."
Accra police are investigating, while the guard was taken to hospital with his injuries.
Kingston has meanwhile lamented his lack of first-team action with his new club. "Everything is fine apart from the fact that I am not getting more playing time," he said. "But I am not worried. The most important thing is to keep training and stay professional."