His paternal great-grandfather was the industrialist and politician Sir William Chaytor, 1st Baronet.
In 1816 William Chaytor of Croft Hall, Yorkshire purchased the castle estate for £78,000 and restored the fabric and rebuilt the interior in modern style.
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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.
The architect Ignatius Bonomi extended Witton Castle and built the Croft Spa Hotel and the now-demolished Clervaux Castle near Croft for Chaytor.
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).