| 1 | The Drew family |
| 1.1 | Agency for the 1st Earl of Cork prior to Barry Drew |
| 1.2 | Agency for the 1st Earl of Cork: Barry Drew |
| 1.3 | Agency for the 1st Earl of Cork: Barry Drew and his successor Colonel William Congreve |
| 1.4 | Family papers of the Drews of Drewscourt (County Limerick) |
| 1.5 | Boyle, Drew, Ringrose families: collected notes on genealogy |
| 2 | The Ryan family |
| 2.1 | Daniel Ryan (l.17th c./e.18th c.) |
| 2.2 | Ewer Ryan (1730-1802) |
| 2.3 | William Ryan ([ ]- 1835) |
| 2.4 | William Ryan (1815-1890) |
| 2.5 | Charles Arthur Ryan (1852- [ ]) |
| 2.6 | Ryan family: collected notes on genealogy |
| 3 | The Lucas family |