William Robertson Williamson
1331 - 1377 (46 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 William Robertson Williamson [1] b. 1331 d. 1377
- Lady Ragnhild Eriksdatter b. 1317
- 2 William Robertson Williamson [1.1] b. 1350 d. 1419
-
- 3 William Robert Williamson [1.1.1] b. 1375 d. 1452
- Agnes Williamson b. 1380 d. Yes, date unknown
- 4 William Robert Williamson, II [1.1.1.1] b. 1403 d. 1482
[ =>]
- 4 William Robert Williamson, II [1.1.1.1]
- 3 William Robert Williamson [1.1.1]
- 2 William Robertson Williamson [1.1]