Available data from the Homicide Index relate to offences currently recorded as homicides in England and Wales as at 12 November 2007. Latest analysis is published in “Homicides, Firearm Offences and Intimate Violence 2006/07” (Home Office Statistical Bulletin 03/08), which can be found at:
http://www.homeoffice.gov.uk/rds/pdfs08/hosb0308.pdf
The number and percentage of homicide victims by relationship of victim to principal suspect are shown in table 1.05.
The additional requested information cannot be provided as it has not been collected by the Home Office.