4th Lord Borthwick William Borthwick
- 1543Drag or scroll to see more of the chart.
| Master of Borthwick Thomas Borthwick | |
| D: | Between 1528 and 1538 |
| Scotland | |
Countess of Eglinton Marion Seton Bef 1513-1561 |
| Countess of Eglinton Marion Seton | |
| B: | Bef 1513 |
| Tranent, East Lothian, Scotland | |
| D: | 30 Sep 1561 |
| Kilwinning, Ayrshire, Scotland | |
|
| 4th Lord Borthwick William Borthwick | |
| D: | 1543 |
| Scotland | |