- Father: William EDMONSTON
- Mother: Mary STEWART
- Birth: 1427, Strathblane, Stirlingshire, , Scotland
- Death: 1486, Strathblane, Stirlingshire, , Scotland
- Partnership with: Matilda STEWART
Marriage: 17 May 1456, Strathblane, Stirlingshire, , Scotland
Ancestors of William EDMONSTONE
/-Henry DEEDMUNDISTON
/-John EDMONSTONE
/-John EDMONSTONE
/-William EDMONSTON
| | /-Walter STEWART
| | /-Robert STEWART
| | | \-Marjorie BRUCE
| \-Isabel Eupheme STEWART
| | /-Adam MORE
| \-Elizabeth MURE
| \-Joanna DANZIELSTOUR
William EDMONSTONE
| /-James STEWART
| /-Walter STEWART
| | \-Egidia DEBURGH
| /-Robert STEWART
| | | /-Robert I DEBRUCE
| | \-Marjorie BRUCE
| | \-Lady Matilda ISABELLA
| /-John Robert STEWART
| | | /-Adam MORE
| | \-Elizabeth MURE
| | \-Joanna CUNNINGHAM
\-Mary STEWART
| /-Malcolm DRUMMOND
| /-John DRUMMOND
\-Annabella DRUMMOND
\-Mary Margaret MONTEITH