They each attended several different schools , meeting together for the first time when they were about 13 at Haverstock School , and coming together as a group for the first time at about this age under the management of Dino 's father , Byron Contostavlos ( formerly of Mungo Jerry ) , who died on 12 April 2007 .
All of the members of N-Dubz attended school at St Johns Wood Secondary in Camden Town , and came together as a group managed by Dino Contostavlos 's father , Byron Contostavlos ( formerly of Mungo Jerry ) , who died on 12 April 2007 .