| HUSBAND |
| Sir John "Earl of Lennox" Drummond (LCVG-54H) |
| BIRTH | about 1356 | Drymen, Stirlingshire, Scotland |
| DEATH | 8 November 1402 | Scotland |
| REF # | | 1017225; |
| REF # | | 1038546; |
| REF # | | 60; |
| MARRIAGE | 1394 | Scotland |
| MARRIAGE | | Elizabeth Sinclair (G41X-BLG); |
| FATHER | John Drummond (LR3X-YVV) |
| MOTHER | Mary Margaret Montifex (GHKQ-LBK) |
| |
| WIFE |
| Countess Isabel "Countess of Mar" Douglas (9SMR-Y5C) |
| BIRTH | about 1360 | Mar, Aberdeenshire, Scotland |
| DEATH | 1408 | |
| DEATH | 1408 | Scotland |
| REF # | | 1737298; |
| REF # | | |
| REF # | | 60; |
| REF # | | 1763923; |
| MARRIAGE | | Sir Alexander "12th Earl of Mar" Stewart (9SMR-YGL); |
| MARRIAGE | | Sir Malcolm Drummond (LVS8-3MD); |
| FATHER | William Douglas (LZLB-P6K) |
| MOTHER | Margaret "10th Countess of Mar" Stewart (G4NK-CXR) |