1 Quarterly: 1st & 4th, Sable, three bucks heads caboshed argent attired or within a border of the second (Cavendish); 2nd & 3rd: Argent, two bendlets, the upper sable and lower gules (Bradshaw)[1]
Cavendish and Lady Waterpark were both succeeded by their son Richard, the second Baron and third Baronet. His eldest son, the third Baron, represented Knaresborough, Derbyshire South and Lichfield in the House of Commons as a Liberal and served as a Lord-in-waiting (government whip) under Lord John Russell, Lord Aberdeen and Lord Palmerston. This line of the family failed on the death of his grandson, the fifth Baron, in 1932. The late Baron was succeeded by his second cousin, the sixth Baron. He was the grandson of a younger son of the second Baron. As of 2013[update], the titles are held by the latter's great-nephew, the eighth Baron, who succeeded in that year.
The family seat of Doveridge Hall was demolished about 1938. There were other illegitimate sons sired in Derbyshire by Henry Cavendish. One son, Robert Cavendish, was allegedly the result of a lifelong relationship with a mistress whom he kept at Ufton Manor in Oakerthorpe.