Brooke was the son of Bertram, Tuan Muda of Sarawak and Gladys Palmer, daughter of Sir Walter Palmer, and heiress to part of the Huntley & Palmers biscuit fortune.
She was the only child of Sir Walter Palmer, 1st Baronet MP and his wife, Jean, Lady Palmer, and as wife of the Tuan Muda took the title of "Dayang Muda" and the style of "Her Highness".
Sir Walter Palmer, 1st Baronet (1858–1910), British biscuit manufacturer and Conservative politician
Walter Scott | Sir | Sir Walter Scott | baronet | Baronet | Walter Cronkite | Louis Mountbatten, 1st Earl Mountbatten of Burma | Horatio Nelson, 1st Viscount Nelson | Herbert Kitchener, 1st Earl Kitchener | Emerson, Lake & Palmer | Walter Raleigh | Walter Benjamin | Charles Cornwallis, 1st Marquess Cornwallis | 1st United States Congress | Frederick Roberts, 1st Earl Roberts | Bernard Montgomery, 1st Viscount Montgomery of Alamein | William Cecil, 1st Baron Burghley | Arnold Palmer | Walter Mondale | Sir Arthur Conan Doyle | Robert Harley, 1st Earl of Oxford and Earl Mortimer | George Villiers, 1st Duke of Buckingham | Walter Matthau | Walter Gropius | Thomas Wentworth, 1st Earl of Strafford | William Pitt, 1st Earl of Chatham | Walter Hamma | Sir Robert Peel | Joseph Lister, 1st Baron Lister | Robert Baden-Powell, 1st Baron Baden-Powell |
The Bridgeman Baronetcy, of Ridley in the County of Chester, was created on 12 November 1773 for Orlando Bridgeman, Member of Parliament for Horsham and younger son of the 1st Baronet, of the Great Lever creation.
For over 50 years Copley has been the partner of John Hugh Chadwyck-Healey (born 1922), grandson of Charles Chadwyck-Healey, 1st Baronet.
Their daughter, Gladys, married Bertram Willes Dayrell Brooke, of the family of the White Rajas of Sarawak, titled "His Highness The Tuan Muda of Sarawak" in 1904 and converted to Islam in the 1930s.
Pollock was the fifth son of Mr George Pollock, fourth son of Sir Frederick Pollock (1st Baronet, of Hatton) (elder brother of Field Marshal Sir George Pollock, 1st Baronet, of The Khyber Pass).