John de Montacute, 1st Baron Montacute was born circa 1330 in England to William de Montacute, 1st Earl of Salisbury (1301-1344) and Catherine Grandison (c1304-1349) and died circa 1390 England of unspecified causes. He married Margaret Monthermer (1329-1394) . Hugh Capet (c940-996)/s.
|Offspring of John de Montacute, 1st Baron Montacute and Margaret Monthermer (1329-1394)|
|John Montacute, 3rd Earl of Salisbury (c1350-1400)||1350 England, United Kingdom||5 January 1400 Cirencester, Gloucestershire, England, United Kingdom||Maud Francis (c1370-c1424)|
|Simon Montague (c1353-)||1353 Salisbury, Wiltshire, England||Eleanor Boughton|
|Eleanor de Montacute|
|Thomas de Montacute|