Sir James de Byron
- Abt 1300( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Sir James de Byron d. Abt 1300
- + Alice de Roos d. Abt 29 Apr 1286
- + Alice de Roos d. Abt 29 Apr 1286
( = Descendancy chart to this point, = Expand, = Collapse)