..1 King Edward III of England (1312 - 1377) .. + Philippa de Hainault (about 1314 - 1369) ....2 Edmund Plantagenet (1344 - 1402) .... + Isabella de Castile (1355 - 1393) ......3 Sir Richard Plantagenet (about 1376 - 1415) ...... + Anne Mortimer (1390 - 1411) ........4 Isabel Plantagenet (1409 - 1484) ........ + Sir Henry Bourchier (1409 - 1483) ..........5 Sir William Bourchier ( - 1471) .......... + Anne Wydeville (about 1438 - 1489) ............6 Cecily Bourchier ( - 1493) ............ + Sir John Devereux (about 1464 - 1501) ..............7 Sir Walter Devereux (about 1491 - 1558) .............. + Mary Grey ( - about 1538) ................8 Sir Richard Devereux ( - 1547) ................ + Dorothy Hastings (about 1520 - ) ..................9 Sir Walter Devereux ( - 1576) .................. + Lettice Knollys (1539 - 1634) ....................10 Dorothy Devereux .................... + Sir Thomas Perrott ......................11 Penelope Perrott ...................... + William Lower ( - 1615) ........................12 Dorothy Lower (about 1608 - 1677) ........................ + Sir Maurice Drummond ( - 1642) ..........................13 Jane Drummond .......................... + Charles Trevannion ............................14 John Trevanion ............................ + Barbara Berkeley ..............................15 Sophia Trevanion .............................. + John Byron ................................16 Capt. John Byron ................................ + Catherine Gordon ..................................17 Sir George Gordon Byron (1788 - 1824) ....2 Sir Thomas Plantagenet (1355 - 1397) .... + Alianore de Bohun (about 1366 - 1399) ......3 Anne Plantagenet (before 1383 - 1438) ...... + Sir Edmund de Stafford (1378 - 1403) ........4 Sir Humphrey Stafford (1402 - 1460) ........ + Anne Neville (about 1411 - 1480) ..........5 Sir Humphrey Stafford (about 1424 - 1455) .......... + Margaret Beaufort (about 1437 - 1474) ............6 Sir Henry Stafford (1455 - 1483) ............ + Katherine Wydeville (before 1458 - 1497) ..............7 Anne Stafford (about 1493 - ) .............. + Sir George Hastings (before 1489 - 1544) ................8 Dorothy Hastings (about 1520 - ) ................ + Sir Richard Devereux ( - 1547) ..................9 Sir Walter Devereux ( - 1576) .................. + Lettice Knollys (1539 - 1634) ....................10 Dorothy Devereux .................... + Sir Thomas Perrott ......................11 Penelope Perrott ...................... + William Lower ( - 1615) ........................12 Dorothy Lower (about 1608 - 1677) ........................ + Sir Maurice Drummond ( - 1642) ..........................13 Jane Drummond .......................... + Charles Trevannion ............................14 John Trevanion ............................ + Barbara Berkeley ..............................15 Sophia Trevanion .............................. + John Byron ................................16 Capt. John Byron ................................ + Catherine Gordon ..................................17 Sir George Gordon Byron (1788 - 1824) ......3 Anne Plantagenet [again] ...... + Sir William Bourchier (1374 - 1420) ........4 Sir Henry Bourchier (1409 - 1483) ........ + Isabel Plantagenet (1409 - 1484) ..........5 Sir William Bourchier ( - 1471) .......... + Anne Wydeville (about 1438 - 1489) ............6 Cecily Bourchier ( - 1493) ............ + Sir John Devereux (about 1464 - 1501) ..............7 Sir Walter Devereux (about 1491 - 1558) .............. + Mary Grey ( - about 1538) ................8 Sir Richard Devereux ( - 1547) ................ + Dorothy Hastings (about 1520 - ) ..................9 Sir Walter Devereux ( - 1576) .................. + Lettice Knollys (1539 - 1634) ....................10 Dorothy Devereux .................... + Sir Thomas Perrott ......................11 Penelope Perrott ...................... + William Lower ( - 1615) ........................12 Dorothy Lower (about 1608 - 1677) ........................ + Sir Maurice Drummond ( - 1642) ..........................13 Jane Drummond .......................... + Charles Trevannion ............................14 John Trevanion ............................ + Barbara Berkeley ..............................15 Sophia Trevanion .............................. + John Byron ................................16 Capt. John Byron ................................ + Catherine Gordon ..................................17 Sir George Gordon Byron (1788 - 1824)