- Born: 1822, Swindon, Wiltshire
- Marriage: Jemima Pearce Prettejohn on 13 Mar 1847 in Plymouth
- Died: 1885, March Q., Highworth, Wiltshire at age 63
Daily News (London, England), Tuesday, March 23, 1847; Issue 254
Knapp--Prettejohn--March 13, at Plymouth, Mr. E. Knapp, of Swindon, to Jemima, eldest daughter of the late Mr. P. Prettejohn, Esq., of Hatch.
Edwin Aged 39) was described as a grocer employing two men and living at Wood St. Swindon with his wife Jemima (Jamima) Pearce (described as aged 36), a servant and four apprentice Grocers.
Edwin married Jemima Pearce Prettejohn, daughter of Philip King Prettejohn and Mary Pearce, on 13 Mar 1847 in Plymouth. (Jemima Pearce Prettejohn was born on 15 May 1823, christened on 11 Jun 1823 in Ford Independent Chapel and died 1872, December Q. in Highworth, Wiltshire.)