'Mum would strangle me because of the men who raped her'
10 June 2014 Last updated at 06:42 BST
A four-day summit on sexual violence in war is to begin in London, hosted by UK Foreign Secretary William Hague and UN Special Envoy Angelina Jolie.
The Global Summit to End Sexual Violence in Conflict a two-year campaign to raise awareness of the issue.
Lejla Damon, 21, was born in Bosnia. Her mum was repeatedly raped in a concentration camp.
Her adoptive parents interviewed her birth mother and Lejla has agreed to share the result.