Four or more generations of descendants of Thomas FitzGerald (c1250-1296) if they are properly linked:
1. Thomas FitzGerald (c1250-1296)
- 2. Thomas FitzGerald (c1290-1307)
- 2. Maurice FitzGerald (c1292-1356)
- 3. Maurice FitzGerald (c1314-1358)
- 4. Daughter FitzGerald
- 3. Nicholas FitzGerald (c1333-1367)
- 3. Gerald FitzGerald (1335-1398)
- 4. John FitzGerald (c1364-1399)
- 5. Thomas Fitzgerald (c1386-1420) ... (more)
- 4. James FitzGerald (c1370-1463)
- 5. Thomas FitzGerald (c1420-c1467) ... (more)
- 5. Gerald FitzGerald ... (more)
- 5. Honor FitzGerald ... (more)
- 5. Joan FitzGerald (c1435-c1486) ... (more)
- 4. Robert FitzGerald (1366-1445)
- 5. Niegel Adair (1392-1475) ... (more)
- 5. Robert Adair (c1393-) ... (more)
- 4. Joan FitzGerald (c1368-)
- 4. Katherine FitzGerald (c1370-)
- 4. Maurice FitzGerald (c1375-)
- 4. John FitzGerald (c1364-1399)
- 3. Maurice FitzGerald (c1314-1358)
- 2. John FitzThomas (c1294-1324)
- 2. Joan FitzThomas (c1295-)