Pedigree Chart of Happy Event, 2 Y-ROO, J. Lionel Richardson, Ireland, 1964
| Firebrand | |||||||
| Hospodar | |||||||
| King Alfred | |||||||
| Marksman | |||||||
| A.M. Wilson 2Y-R seedling | |||||||
| Sun Chariot | |||||||
| Porthilly | |||||||
| Happy Event | |||||||
| Firebrand | |||||||
| Hospodar | |||||||
| King Alfred | |||||||
| Marksman | |||||||
| A.M. Wilson 2Y-R seedling | |||||||
| Ceylon | |||||||
| Firebrand | |||||||
| Hospodar | |||||||
| King Alfred | |||||||
| Diolite | |||||||
| A.M. Wilson 2Y-R seedling |