Sir John Montacute, 3rd Earl of Salisbury, 5th and 2nd Baron Montacute, KG was born circa 1350 in England, United Kingdom to John de Montacute, 1st Baron Montacute (c1330-c1390) and Margaret Monthermer (1329-1394) and died 5 January 1400 Cirencester, Gloucestershire, England, United Kingdom of execution by beheading. He married Maud Francis (c1370-c1424) .
Children
| Name | Birth | Death | Joined with |
| Thomas Montacute, 4th Earl of Salisbury (c1388-1428) | 13 June 1388 | 3 November 1428 | Eleanor Holland (1386-aft1413) Alice Chaucer (1404-1475) |
| Robert Montacute | |||
| Richard Montacute (-aft1400) | |||
| Anne Montacute (-1457) | England | 1457 England | Richard Hankford (c1397-1431) |
| Margaret Montacute (-bef1416) | |||
| Elizabeth Montacute (-c1448) | |||
Siblings
| Name | Birth | Death | Joined with |
| 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 | |||
Residences
Footnotes (including sources)
| ‡ General |