William Cavendish-Bentinck & Margaret Cavendish-Harley 
William and Margaret were married in a religious ceremony on July 11th, 1734. They had a son and a daughter, named William Henry and Elizabeth.
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Personal Details
William Cavendish-Bentinck
William was born on March 1st, 1708. He died at the age of 54 on May 1st, 1762.
Margaret Cavendish-Harley
Margaret was born on February 11th, 1715. She died at the age of 70 on July 7th, 1785.
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Children
Elizabeth Cavendish-Bentinck
Elizabeth was born on July 27th, 1735. She died at the age of 90 on December 12th, 1825.
William Henry Cavendish-Bentinck
William Henry was born on April 14th, 1738. He died at the age of 71 on October 30th, 1809.