Financial advisers are set to value the family’s portfolio which includes online retailer Shop Direct, Telegraph newspapers, The Ritz hotel and delivery business Yodel

The Daily and Sunday Telegraph newspapers have been put up for sale as their owner, the Barclay family, reviews its multibillion-pound portfolio of British investments.

Aidan, 63, and Howard Barclay, 59, sons of Sir David Barclay, 84, are examining the ownership of the family’s holdings, including The Ritz hotel and Shop Direct, the online retailer.

Sir David and his twin Sir Frederick are estimated to be worth £8 billion at No 17 in The Sunday Times Rich List. The brothers made their fortune investing in London property before diversifying into shipping, retail, hotels and newspapers. They live in Brecqhou in the Channel Islands and in Monaco.

The revelation comes after months of speculation about the future ownership of the Telegraph newspapers, which the family