Deceased Wife's Sister's Marriage Act 1907
Deceased Wife's Sister's Marriage Act 1907 is in 1900-1910 Edward VII.
28 Aug 1907. The Deceased Wife's Sister's Marriage Act 1907 (7 Edw. 7. c. 47) was an Act of the Parliament of the United Kingdom, allowing a man to marry his dead wife's sister, which had previously been forbidden.
On 01 Feb 1908 Henry FitzWalter Plumptre 20th Baron FitzWalter (age 47) and Emily Harriett Jemima Baird (age 46) were married at St George's Church, Hanover Square. She being the older sister of his previous wife Maude Dora Gertrude Baird; an example of Married to Two Siblings. Marriage to your later wife's sister had recently become legal - see Deceased Wife's Sister's Marriage Act 1907.