The estate of David Hugh Roberts, worth 2 million pounds, had eluded the heir hunters for five years. He died a recluse in a flat near Wimbledon and the team has tried unsuccessfully to find living relatives. Now though there is fresh hope as new records are available. Penny Belchambers died in a 600,000 pound flat in Kensington. The search for her heirs uncovers the tale of Polish war pilot Witold Lanowski who flew with the RAF during the Second World War.