| | | | | | | | | | | | Earl of East Anglia (Earls of Norfolk and Suffolk) (1st creation), before 1069 |
| | | | | | | | | | | | Ralph the Staller (c. 1011–1068) 1st Earl of Norfolk and Suffolk, or of the East Angles c. 1066/67–1068 |
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| | | | | | | | | | | | Ralph de Gael (c. 1040 – c. 1096) 2nd Earl of Norfolk and Suffolk, or of the East Angles until 1074 |
| | | | | | | | | | | | Earldom forfeit, 1074 | | Earl of Norfolk (2nd creation), 1141 |
| | | | | | | | | | | | | | | | Hugh Bigod (1095–1177) 1st Earl of Norfolk 1141–1177 |
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| | | | | | | | | | | | | | | | Roger Bigod (c. 1144/1150–1221) 2nd Earl of Norfolk 1189–1221 (disputed 1177–1189) |
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| | | | | | | | | | | | | | | | Hugh Bigod (1186–1225) 3rd Earl of Norfolk 1221–1225 |
| | | | Baron Segrave of Se(a)grave, 1283 | | | | | | | | | | | | | | | | | | |
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| | | | Nicholas Segrave (c. 1238–bef. 1295) 1st Baron Segrave | | | | | | | | | | Roger Bigod (c. 1209–1270) 4th Earl of Norfolk 1233–1270 | | Hugh Bigod (c. 1211–1266) |
| | | | | | | | | | | | | Baron Mowbray, 1283 | | | | | | | | | |
| | | | John Segrave (c. 1256–1325) 2nd Baron Segrave | | King Edward I (1239–1307) | | Roger de Mowbray (1254–1297) 1st Baron Mowbray | | | | | | Roger Bigod (c. 1245–1306) 5th Earl of Norfolk 1270–1306 |
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| | | | | | | | | Earl of Norfolk (3rd creation), 1312 | | | | | |
| | | | Stephen Segrave (d. 1325) 3rd Baron Segrave | | Thomas of Brotherton (1300–1338) 1st Earl of Norfolk 1312–1338 | | John Mowbray (1286–1322) 2nd Baron Mowbray |
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| | | | John Segrave (1315–1353) 4th Baron Segrave | | Margaret of Brotherton (1320–1399) 2nd Countess of Norfolk 1338–1399, Duchess of Norfolk "for life" 1397–1399 | | John Mowbray (1310–1361) 3rd Baron Mowbray |
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| | | | | | | | Elizabeth de Segrave (1338–1368) 5th Baroness Segrave | | John de Mowbray (1340–1368) 4th Baron Mowbray |
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| | | | | | | | Earl of Nottingham (1st creation), 1377 | | Earl of Nottingham (2nd creation), 1383 Duke of Norfolk (1st creation), 1397 |
| | | | | | | | John de Mowbray (1365–1383) 1st Earl of Nottingham, 6th Baron Segrave, 5th Baron Mowbray | | Thomas de Mowbray (1366–1399) 1st Duke of Norfolk 1397–1399, 3rd Earl of Norfolk 1399, 7th Baron Segrave, 6th Baron Mowbray |
| | | | | | | | Earldom of Nottingham extinct, 1383 | | Titles forfeit, 1399 | | | |
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Baron Stourton, 1448 | | | | | | | Duke of Norfolk (1st creation restored), 1425 | | | | | | | | | | | | | | | | | | |
John Stourton (1400–1462) 1st Baron Stourton, 1448–1462 | | Thomas de Mowbray (1385–1405) 4th Earl of Norfolk, 8th Baron Segrave, 7th Baron Mowbray 1399–1405 | | John de Mowbray (1392–1432) 2nd Duke of Norfolk 1425–1432, 5th Earl of Norfolk, 9th Baron Segrave, 8th Baron Mowbray 1405–1432 | | | | | | Margaret de Mowbray (c. 1388–1459) | | Robert Howard (1385–1436) | | Isabel de Mowbray (c. 1400–1452) | | James Berkeley, 1st Baron Berkeley (c. 1394–1463) | |
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| | | | | | | | | | | | | | | | | | | | | | Duke of Norfolk (4th creation), 1483 |
William Stourton (before 1426–1478) 2nd Baron Stourton, 1462–1478 | | | | | | John de Mowbray (1415–1461) 3rd Duke of Norfolk, 6th Earl of Norfolk, 10th Baron Segrave, 9th Baron Mowbray 1432–1461 | | | | | | | | | | John Howard (1425–1485) 1st Duke of Norfolk, 13th Baron Segrave, 12th Baron Mowbray 1483–1485 |
| | | | | | | | | | | | | | | | | | | | | | | Titles forfeit, 1485 |
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| | | | | | | | | | | Earl of Surrey and Warenne (2nd creation), 1451 | | | | | | | | | | Duke of Norfolk (4th creation) restored and Earl of Surrey, 1514 |
John Stourton (c. 1454–1485) 3rd Baron Stourton, 1479–1485 | | William Stourton (c. 1457–1524) 5th Baron Stourton, 1487–1524 | | | John de Mowbray (1444–1476) 4th Duke of Norfolk, 7th Earl of Norfolk, Earl of Surrey and Warenne, 11th Baron Segrave, 10th Baron Mowbray 1461–1476 | | King Edward IV (1442–1483) | | | | | | Thomas Howard (1443–1524) 2nd Duke of Norfolk, 1st Earl of Surrey 1514–1524 |
| | | | | | | | | | Dukedom of Norfolk, Earldom of Nottingham, Earldom of Surrey and Warenne extinct, 1476 | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | Duke of Norfolk (3rd creation), Earl of Nottingham (3rd creation), and Earl of Warenne, 1477 | | | | | | | | | | | | | | | | | | | | |
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Francis Stourton (1485–1487) 4th Baron Stourton, 1485–1487 | | Edward Stourton (1463–1535) 6th Baron Stourton, 1524–1535 | | Anne de Mowbray (1472–1481) 8th Countess of Norfolk, 12th Baroness Segrave, 11th Baroness Mowbray 1476–1481 | | Richard of Shrewsbury (1473–1483) Duke of York, Duke of Norfolk, Earl of Nottingham, Earl of Warenne 1477–1483 | | Anne of York (1475–1511) | | Thomas Howard (1473–1554) 3rd Duke of Norfolk, 2nd Earl of Surrey 1524–1554 | | Edmund Howard (c. 1478–1539) | | Elizabeth Boleyn (c. 1480–1538) |
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| | | | | | | | | | Earldom of Norfolk extinct and Baronies Segrave and Mowbray in abeyance, 1481 | | Dukedom of Norfolk, Earldom of Nottingham, Earldom of Warenne extinct, 1483 | | | | | | Attainted, 1547 Restored, 1553 | | | | | | | | | | |
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William Stourton (c. 1505–1548) 7th Baron Stourton | | | | | | | | | | | | | | | | | Earl of Nottingham (5th creation), 1525 | | | | | | | | King Henry VIII (1491–1547) | | Anne Boleyn (c. 1501 or 1507–1536) |
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Charles Stourton (c. 1520–1557) 8th Baron Stourton | | Henry Howard (1517–1547) styled Earl of Surrey | | Thomas Howard (c. 1520–1582) Viscount Howard of Bindon | | Mary FitzRoy (1519–1557) | | Henry FitzRoy (1519–1536) Duke of Richmond and Somerset, Earl of Nottingham | | Catherine Howard (c. 1524–1542) | | | | | | | | |
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| | | | | | | | | | | | | | | | | | | Earldom of Nottingham extinct, 1536 | | | | | | | | | | | | |
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| | | | | | | | | Thomas Howard (1536–1572) 4th Duke of Norfolk, 3rd Earl of Surrey, 13th Baron Mowbray 1554–1572 | | Henry Howard (1540–1614) Earl of Northampton | | | | | | | | | | Queen Elizabeth I (1533–1603) |
| | | | | | | | | Dukedom (3rd creation) forfeit, 1572 |
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| | | | | | | | | | Earl of Arundel (3rd creation), 1580 | | Earl of Suffolk (4th creation), 1603 | | | | | |
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John Stourton (1553–1588) 9th Baron Stourton | | Edward Stourton (c. 1555–1633) 10th Baron Stourton | | Philip Howard (1557–1595) 20th/13th/1st Earl of Arundel, styled Earl of Surrey | | Thomas Howard (1561–1626) Earl of Suffolk | | Lord William Howard (1563–1640) |
| | | | | | | | | Earldom of Arundel and Barony Mowbray attainted, 1589 | | see Earls, Marquesses, and Dukes of Suffolk family tree |
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| | | | | | | | | Earl of Arundel (3rd creation) and Barony Mowbray restored, 1604 Earl of Norfolk (5th creation), 1644 |
William Stourton (c. 1594–1672) 11th Baron Stourton | | | | | | Thomas Howard (1585–1646) 21st/14th/2nd Earl of Arundel, 2nd/4th Earl of Surrey, 1st Earl of Norfolk, 14th Baron Mowbray 1644–1646 | | | | | | | |
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Edward Stourton (1617–1644) | | | | | | Henry Frederick Howard (1608–1652) 22nd/15th/3rd Earl of Arundel, 3rd/5th Earl of Surrey, 2nd Earl of Norfolk, 15th Baron Mowbray 1646–1652 | | | | | | | |
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| | | | | Duke of Norfolk (4th creation restored), 1660 | | | | | | Earl of Norwich (3rd creation), 1672 | | | | | | | | | | | | | | |
William Stourton (d. 1685) 12th Baron Stourton | | Thomas Howard (1627–1677) 5th Duke of Norfolk, 4th/6th Earl of Surrey, 16th Baron Mowbray 1660–1677 | | | | | | Henry Howard (1628–1684) 6th Duke of Norfolk, 1st Earl of Norwich, 17th Baron Mowbray 1672–1684 | | | | | | Hon. Charles Howard (1630–1713) | | Col. Bernard Howard (1641–1717) |
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Edward Stourton (1665–1720) 13th Baron Stourton | | Thomas Stourton (1667–1744) 14th Baron Stourton | | | | | | | Henry Howard (1655–1701) 7th Duke of Norfolk, 2nd Earl of Norwich, 18th Baron Mowbray, 1684–1701 | | Lord Thomas Howard (1662–1689) | | Henry Charles Howard (d. 1720) | | | | | |
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| | | | Charles Stourton (1669–1739) | | Thomas Howard (1683–1732) 8th Duke of Norfolk, 3rd Earl of Norwich, 19th Baron Mowbray 1701–1732 | | Edward Howard (1685–1777) 9th Duke of Norfolk, 4th Earl of Norwich, 20th Baron Mowbray 1732–1777 | | Philip Howard (1688–1750) | | | | | | | Bernard Howard (1674–1735) |
| | | | | | | | | | | | | | | Earldom of Norwich (3rd creation) extinct and Barones Segrave and Mowbray in abeyance, 1777 | | | | | | | | | | | | | | | |
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Charles Stourton (1702–1753) 15th Baron Stourton | | | | | | William Stourton (1704–1781) 16th Baron Stourton | | Winifred Howard (1726–1753) | | Anne Howard (1742–1787) | | Charles Howard (1720–1786) 10th Duke of Norfolk 1777–1786 | | Henry Howard (1713–1787) |
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| | | | | | | | Charles Philip Stourton (1752–1816) 17th Baron Stourton | | | | | | | | | | Charles Howard (1746–1815) 11th Duke of Norfolk 1786–1815 | | | | | |
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| | | | | | | | William Stourton (1776–1846) 18th Baron Stourton | | | | | | | | | | | | | | Bernard Howard (1765–1842) 12th Duke of Norfolk 1815–1842 |
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| | | | | | | | Charles Stourton (1802–1872) 19th Baron Stourton | | | | | | | | | | | | | | Henry Howard (1791–1856) 13th Duke of Norfolk 1842–1856 |
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| | | | | | | | Alfred Joseph Stourton (1829–1893) 20th Baron Stourton, 24th Baron Segrave, 21st/23rd Baron Mowbray | | | | | | | | | | Henry Granville Fitzalan-Howard (1815–1860) 14th Duke of Norfolk 1856–1860 | | Edward George Fitzalan-Howard (1818–1883) 1st Baron Howard of Glossop |
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| | | | | | | | Charles Botolph Joseph Stourton (1867–1936) 21st Baron Stourton, 25th Baron Segrave, 22nd/24th Baron Mowbray | | | | | | | | | | Henry Fitzalan-Howard (1847–1917) 15th Duke of Norfolk, Lord Maltravers, Earl of Arundel and Surrey 1860–1917 | | Francis Fitzalan-Howard (1859–1924) 2nd Baron Howard of Glossop |
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| | | | | | | | William Marmaduke Stourton (1895–1965) 22nd Baron Stourton, 26th Baron Segrave, 23rd/25th Baron Mowbray | | | | | | | | | | Bernard Fitzalan-Howard (1908–1975) 16th Duke of Norfolk 1917–1975 | | Bernard Fitzalan-Howard (1885–1972) 3rd Baron Howard of Glossop |
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| | | | | | | | Charles Edward Stourton (1923–2006) 23rd Baron Stourton, 27th Baron Segrave, 24th/26th Baron Mowbray | | | | | | | | | | | | | | Miles Fitzalan-Howard (1915–2002) 17th Duke of Norfolk, 4th Baron Howard of Glossop 1975–2002 |
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| | | | | | | | Edward William Stephen Stourton (1923–2006) 25th/27th Baron Mowbray, 28th Baron Segrave, 24th Baron Stourton | | | | | | | | | | | | | | Edward Fitzalan-Howard (b. 1956) 18th Duke of Norfolk, 5th Baron Howard of Glossop from 2002 |
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| | | | | | | | James Charles Peter Stourton (b. 1991) 26th/28th Baron Mowbray, 29th Baron Segrave, 25th Baron Stourton | | | | | | | | | | | | | | Henry Fitzalan-Howard (b. 1987) Earl of Surrey, Earl of Arundel |