Four or more generations of descendants of Catherine FitzAlan (c1300-c1328) if they are properly linked:
1. Catherine FitzAlan (c1300-c1328)
- 2. John de Grey, 3rd Baron Grey of Rotherfield (1319-1375)
- 3. Maud de Grey (c1338-1390)
- 4. Joyce de Botetourt (-1407)
- 4. Ann Harcourt (1371-)
- 4. John Harcourt (1371-c1406)
- 4. Thomas Harcourt (1377-1420)
- 5. Alice Harcourt (c1408-?) ... (more)
- 5. Robert Harcourt (1410-1470) ... (more)
- 5. George Harcourt (c1414-?) ... (more)
- 5. John Harcourt (c1415-1496) ... (more)
- 5. Richard Harcourt (1416-1486) ... (more)
- 5. Isabel Harcourt (c1418-?) ... (more)
- 5. William Harcourt (c1420-bef1494) ... (more)
- 4. Richard Harcourt (1379-c1431)
- 4. Jane Harcourt (1381-)
- 4. Robert Harcourt (1382-)
- 4. Catherine Harcourt (1383-)
- 4. Isabel Harcourt(1385-)
- 3. John de Grey (c1345-?)
- 3. Bartholomew de Grey, 4th Baron Grey of Rotherfield (1347-?)
- 3. Robert de Grey, 5th Baron Grey of Rotherfield (1349-1387)
- 4. Joan de Grey (1386-1408)
- 5. Alice Deincourt (?-?) ... (more)
- 5. Margaret Deincourt (?-?) ... (more)
- 5. William Deincourt, 6th Baron Deincourt (?-?) ... (more)
- 4. Joan de Grey (1386-1408)
- 3. Richard de Grey (c1355-?)
- 3. Brian de Grey
- 3. Maud de Grey (c1338-1390)
- 2. Maud de Grey (c1321-1385)