The De Grey family is an English noble family with a history dating back to the 12th century. They are known for their significant contributions to British society, particularly in politics and land ownership. The family has held various titles, including the Earl of Tankerville, and has been associated with several estates, notably Harewood House in Yorkshire. Throughout the centuries, members of the De Grey family have played important roles in the British Parliament and have been involved in various charitable activities. Their lineage includes notable figures such as Sir William de Grey, who served as a judge in the 14th century, highlighting the family's longstanding influence in England.