Birth Name: Jessica Louise Nelson
Place of Birth: Barking & Dagenham, Essex, England, U.K.
Date of Birth: 14 June, 1991
Ethnicity: English, possibly other
She was born in Romford, London, to Janice White and John Nelson.
As far as is currently known, she is of English ancestry. She may be multiracial, but this is not confirmed.
On her mother’s side, Jesy is the granddaughter of John G. White and Maureen Baker. John was born in Chelmsford, Essex. Maureen was born in Romford, Essex.
Source: Family background of Jesy Nelson – http://www.allaboutlittlemix.com