The elderly mother of a millionaire family killed when their helicopter crashed on Snowdonia, Wales, has lost all three of her sons in the air disaster, it was revealed today. Noeleen Burke has been left heartbroken by the deaths of her ‘generous and loving’ sons Kevin, 56, Donald, 55, and Barry, 51, in Wednesday’s crash. Mrs Burke’s daughter-in-laws Ruth, 49, and Sharon, 48, are also feared dead – leaving six of the victims’ children without parents. Widow Noeleen, 80, lost her husband three years ago. News of the tragedy came as a poignant photo of the family emerged taken at a birthday celebration. Kevin, the helicopter’s pilot, is sitting smiling at the front right. His brother Barry is sat opposite him on the left. Their mother Noeleen, with blonde hair, circled, is sat leaning forward into a female companion towards the middle of the table. Donald, pictured inset, is also believed to be in the photo. Kevin and Ruth, pictured right, who had two children and ran a successful business renting their helicopter to film crews. They were travelling with the rest of the family to surprise their niece at her confirmation party in Dublin. Bad weather hampered the efforts of rescue teams to find the crash site, pictured bottom right.