The company uses the DNA data to search its global network of 18 million AncestryDNA members to identify the people who share your DNA.

If you then sign up for the Ancestry family-history service, you can use the DNA results to help you when searching the billions of historical records and millions of family trees going back through many generations.

AncestryDNA utilises some of the latest autosomal testing technology. It analyses both the Y-chromosome and mitochondrial DNA.

See other DNA Kit deals in our updated roundup.