Countess of Mar Margaret Mar
- 1393( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Countess of Mar Margaret Mar [1] d. 19 Oct 1393
- 1st Earl of Douglas William Douglas b. 1270 d. May 1384
- 2 James Earl Douglas [1.1] d. 1388
- 2 Margaret Douglas [1.2] b. 1308 d. 1374
- 8th of Eaglesham Alexander Montgomerie b. 1305 d. 1380
- 3 Daughter Montgomerie [1.2.1] b. 1334
- + Thomas Sempill b. 1340 d. 1367
- + Thomas Sempill b. 1340 d. 1367
- 3 9th of Eaglesham John Alexander Montgomerie [1.2.2] b. 1343 d. Jul 1401
- Elizabeth Eglinton b. 1348 d. 1398
- 4 Sir Hugh Montgomerie [1.2.2.1] b. 1362 d. 5 Aug 1388
- 4 10th of Eaglesham John Montgomerie [1.2.2.2] b. 1363 d. Bef 22 Nov 1429 [ =>]
- 4 Laird of Bonnington Alexander Montgomerie [1.2.2.3] b. 1364 d. 1388
- 4 Joanna Montgomerie [1.2.2.4] b. 1370
- 4 Hugh Montgomerie [1.2.2.5] b. Abt 1390
- Elizabeth Eglinton b. 1348 d. 1398
- 3 Daughter Montgomerie [1.2.1] b. 1334
- 8th of Eaglesham Alexander Montgomerie b. 1305 d. 1380
- 1st Earl of Douglas William Douglas b. 1270 d. May 1384