How easy is it for Americans to find out about ancestors who were slaves?
"It's really hard because your ancestors were listed as property in these deeds, and you can only really guess," says Sharon Morgan, founder of Our Black Ancestry, an organisation that provides advice and material for African-American genealogical research.
Yet, some are determined to keep searching for details in orer to fill in the 'gap' in their family history.
http://www.bbc.com/news/magazine-37291230
