Lady Augusta Gordon was a British noblewoman. Born the fourth illegitimate daughter of William IV of the United Kingdom by his long-time mistress Dorothea Jordan, she grew up at their Bushy House residence in Teddington. Augusta had four sisters and five brothers all surnamed FitzClarence. Soon after their father became monarch, the FitzClarence children were raised to the ranks of younger children of a marquess.

George Gordon, 9th Marquess of Huntly,, styled Lord Strathavon until 1795 and Earl of Aboyne from 1795 to 1836, was a Scottish peer and soldier.