- [S100] A Special Corner of England Website, focusing on Castle Camps, Shudy Camps, Bartlow, Horseheath and West Wickham in Cambridgeshire, Marlene Williamson, (http://www.rd29.net/cc/;), citing Horseheath parish register - baptism on 4 June 1815 of Rebecca Ketteridge, child of Christopher and Rebecca, lab, born 26 April 1815 (Reliability: 2).
- [S102] 1851 Census Returns of England and Wales, Home Office, (30 March 1851;), HO 107/1761 f.348 p.12 (Reliability: 3).
Chrisr Ketterage, Head, Mar, 60, farm labourer, Camb HorseHeath
Rebecca Ketterage, Wife, Mar, 58, farm labourer, Ireland Donegal
Rebecca Free, daur, Wid, 36, farm labourer, Camb HorseHeath
George Free, Son, Un, 14, farm labourer, Camb HorseHeath
Harriet Free, daur, Un, 11, Camb HorseHeath
Susan Free, daur, Un, 7, Camb HorseHeath
- [S42] Births, Marriages and Deaths - Cambridgeshire Index Project, Cambridgeshire County Council, (http://www.cambridgeshire.gov.uk/sub/register/cambsindex.htm;), marriage of John Free and Rebecca Ketteridge, ref. 331/CE094/01/2/1 (Reliability: 2).
- [S70] Horseheath, Cambridgeshire - Transcript of Parish Register, 1553-1950, (Cambridgeshire Family History Society, CD-ROM, 2004;), marriage of John Free, minor bac lab of Horseheath son of Robert lab, & Rebecca Ketteridge, (x) of full age sp of Horseheath dau of Christopher lab, witnessed by John Ketteridge (x) & Sarah Linsdell (x), 1 Nov 1838 (Reliability: 3).