- Father: Walter STEWART
- Mother: Marjorie BRUCE
- Birth: 2 Mar 1316, Kyle, Ayrshire, , Scotland
- Death: 19 Apr 1390, Dundonald, Ayrshire, , Scotland
Ancestors of Robert STEWART
/-James STEWART
/-Walter STEWART
| | /-Walter DEBURGH
| \-Egidia DEBURGH
| \-Aveline FITZJOHN
Robert STEWART
| /-Robert I DEBRUCE
\-Marjorie BRUCE
\-Lady Matilda ISABELLA