An act for settling a certain yearly sum upon the Right Honourable Ann Fitzroy, commonly called Countess of Euston, Wife of the Right Honourable Augustus Fitzroy, Esquire, commonly called Earl of Euston, out of certain yearly Pensions issuing out of the hereditary Revenue of the Excise, and comprized in certain Letters Patent, bearing Date the Two-And-Twentieth Day of October, in the Twenty-Sixth Year of the Reign of King Charles the Second, in Part of the Jointure agreed to be secured to her upon her Intermarriage with the said Right Honourable Augustus Fitzroy, Esquire, commonly called Earl of Euston.