Duke Dorset

Duke Dorset is in Dukedoms of England Alphabetically, Dukedoms of England Chronologically, Extinct Dukedoms of England.

In 1720 Lionel Cranfield Sackville 1st Duke Dorset (age 31) was created 1st Duke Dorset. Elizabeth Colyear Duchess Dorset (age 31) by marriage Duchess Dorset.

In 1790 John Frederick Sackville 3rd Duke Dorset (age 44) and Arabella Diana Cope 3rd Duchess Dorset (age 21) were married. She by marriage Duchess Dorset, 9th Countess Dorset. The difference in their ages was 23 years. She the daughter of Charles Cope 2nd Baronet and Catherine Bisshopp Countess Liverpool (age 45).