Jean Stewart was born on an unknown date to Robert II of Scotland (1316-1390) and Elizabeth Mure (1315-1354) and died 1404 of unspecified causes. She married John Keith (-bef1375) 1373 JL . She married John Lyon (-1382) 1376 JL . She married James Sandilands (-) 1384 JL .
Siblings
| Name | Birth | Death | Joined with |
| Robert III of Scotland (1337-1406) | 14 August 1337 Scone Palace, Scone, Scotland, United Kingdom | January 1406 Rothesay Castle, Rothesay, Scotland, United Kingdom | Anabella Drummond (c1350-1401) |
| Alexander Stewart (1343-1394) | 1343 | 24 July 1405 | Mairead Inghean Eachann |
| Robert Stewart (c1340-1420) | 1340 | 3 September 1420 | Margaret Graham (1334-1380) Muriella Keith |
| Margaret Stewart () | |||
| Walter Stewart (-1362) | |||
| Marjory Stewart () | |||
| Jean Stewart (-1404) | 1404 | John Keith (-bef1375) John Lyon (-1382) James Sandilands (-) | |
| Isabella Stewart (c1348-c1410) | 1348 | 1410 | James Douglas, 2nd Earl of Douglas (c1358-1388) John Edmonston (-aft1387) |
| Catherine Stewart () | |||
| Elizabeth Stewart (c1350-) | 1350 | Thomas de La Haye | |
| Name | Birth | Death | Joined with |
| David Stewart, Earl of Strathearn (1357-c1386) | 1357 Scotland | 1386 Scotland | Unknown Lindsay (-c1386) |
| Walter Stewart (-1437) | |||
| Margaret Stewart () | |||
| Elizabeth Stewart (aft1355) | 1355 | David Lindsay, 1st Earl of Crawford (c1360-1407) | |
| David Lindsay () | |||
| Egidia Stewart (c1365-) | 1365 | William Douglas (-c1392) | |
| Name | Birth | Death | Joined with |
| Thomas Stewart, Archdeacon and Bishop-elect of St. Andrews () | |||
| John of Bute () | |||
| John the Red of Dundonald () | |||
Children
| Name | Birth | Death | Joined with |
| John Lyon (-1435) | 1435 | Elizabeth Graham (c1400-1435) | |