Margaret Neville was born 12 February 1329 to Ralph Neville, 2nd Baron Neville of Raby (c1291-1367) and Alice de Audley (c1300-c1375) and died 12 May 1372 of unspecified causes. She married William de Ros, 4th Baron de Ros of Hamlake (1325-1352) . She married Henry Percy, 1st Earl of Northumberland (1341-1408) 12 July 1358 JL . Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s.
|Offspring of Margaret Neville and Henry Percy, 1st Earl of Northumberland (1341-1408)|
|Ralph Percy (c1359-1397)|
|Henry Percy (c1363-1403)||20 May 1364 Alnwick Castle, Alnwick, Northumberland, England, United Kingdom||21 July 1403 Shrewsbury, Shropshire, England, United Kingdom||Elizabeth Mortimer (1371-1417)|
|Thomas Percy (c1366-1388)|
|Margaret Percy (1368-)|
|Alan Percy (1372-)|