Michael Jackson's children cost about R29 million to care for in a single year, new court papers have revealed. New court papers filed by the late Thriller star's lawyers show the huge sum was spent on Prince, 18, Paris, 16, and 13-year-old Bigi - who was previously known as Blanket, though his real name is Prince Michael II - two years ago, with expenses including R5,8 million on a house in Calabasas, California, which is rented for the kids at the cost of R443,000 a month.A total of R966,000 in fees for Buckley School was also spent for Prince and Paris, before the latter dropped out, with R382,000 also being spent on a separate school for ''young performers'' according to The Sun newspaper.Other expenses included chartering a private plane for R1,8 million, R6 million on staff at their properties as well as R604,000 on other workers, R12,000 on Bigi's 11th birthday bash and R5,5 million for a trip to Hawaii with Prince and Paris' biological mother, Debbie Rowe.The children are cared for by the music icon's 85-year-old mother Katherine, whose Hayvenhurst home has been purchased by the estate and renovated for in excess of R7,6 million. Jackson - who died of cardiac arrest in 2009, aged 50 - left R6,4 billion worth of debt when he passed away, although his assets have been valued at R3,2 billion, with others suggesting they could be worth over R20,1 billion.The three children are set to inherit equal shares of the estate, but not until they reach the age of 33, where they will receive half, with the rest being given to them aged 40...