Karnataka Chief Minister Siddaramaiah's eldest son, Rakesh Siddaramaiah, died of multi-organ failure at a hospital in Belgium today. <br/><br/>Official sources said Rakesh, aged 39, was undergoing treatment at a Hospital in Brussels for pancreas-related complications. He is survived by his wife, a son and daughter.<br/><br/>He had met with an accident 15 years ago, when he suffered injuries to his pancreas.