Pedigree Chart of Vulcan, 2 Y-O, J. Lionel Richardson, Ireland, 1956
| Gulliver | |||||||
| Seedling | |||||||
| unknown | |||||||
| Carbineer | |||||||
| Vulcan | |||||||
| Firebrand | |||||||
| Hospodar | |||||||
| King Alfred | |||||||
| Marksman | |||||||
| A.M. Wilson 2Y-R seedling | |||||||
| Ceylon | |||||||
| Firebrand | |||||||
| Hospodar | |||||||
| King Alfred | |||||||
| Diolite | |||||||
| A.M. Wilson 2Y-R seedling |