| HUSBAND |
| Sir James "2nd Earl of Douglas and Mar" Douglas (LBVX-L26) |
| BIRTH | 1355 | Douglas Castle, Lanarkshire |
| DEATH | 19 August 1388 | Battle of Otterburn, Redesdale, Northumberland |
| REF # | | 1017893; |
| REF # | | 1039214; |
| REF # | | 60; |
| MARRIAGE | 23 September 1371 | Dispensation, , , Scotland |
| MARRIAGE | 23 September 1371 | Scotland |
| FATHER | William Douglas (LZLB-P6K) |
| MOTHER | Margaret "10th Countess of Mar" Stewart (G4NK-CXR) |
| |
| WIFE |
| Isabella Stewart |
| BIRTH | 1348 | Dundonald, Ayrshire, Scotland |
| DEATH | 26 October 1410 | Douglas, Lanarkshire, Scotland |
| REF # | | 881365; |
| REF # | | 901843; |
| REF # | | 60; |
| BIRTH | | Dundonald, Ayrshire, Scotland |
| MARRIAGE | | Robert Maitland (G7FG-ZW4); |
| MARRIAGE | 1389 | Sir John "Of That Ilk" Edmonstone (LC5L-118); Strathblane, Stirlingshire, , Scotland |
| FATHER | Robert Stewart II (L8MB-CP5) |
| MOTHER | Elizabeth Mure (LDQR-9ST) |