His great-grandfather David Sassoon had been imprisoned in Baghdad in 1828, and in 1832 he established his business David Sassoon & Co. at Bombay. He took advantage of British rule to return to Baghdad to trade. The family eventually established a Head Office at 12, Leadenhall Street, London and a company branch in Manchester. The Sassoons became assimilated Jews, dressing, acting and thinking like Englishmen. The Sassoon Brothers, David and Albert were friends of the Prince of Wales, built the 'Black Horse' brand. The business came with a baronetcy of Kensington Gore. His father bought Shorncliffe Lodge, where his cousin Mayer Rothschild was the MP. His father was not a successful backbencher, but the political influences had a profound effect on young Philip.