..1 King Henry IV of England (1366 - 1413)
.. + Mary de Bohun (about 1370 - 1394)
....2 Sir Humphrey Plantagenet (1390 - 1447)
.... + N.N.
......3 Antigone of Gloucester (before 1428 - )
...... + Sir Henry Grey (about 1418 - 1450)
........4 Sir Richard Grey (1436 - 1466)
........ + Margaret Tuchet
..........5 Elizabeth Grey
.......... + Sir John Ludlow ( - 1493)
............6 Alice Ludlow (1483 - )
............ + Humphrey Vernon ( - 1542)
..............7 George Vernon
.............. + Elizabeth Pigot
................8 John Vernon
................ + Elizabeth Devereux
..................9 Elizabeth Vernon
.................. + Sir Henry Wriothesley ( - 1624)
....................10 Sir Thomas Wriothesley ( - 1667)
.................... + Elizabeth Leigh
......................11 Elizabeth Wriothesley
...................... + Sir Joscelin Percy (1644 - 1670)
........................12 Elizabeth Percy (1666 - 1722)
........................ + Sir Charles Seymour (1662 - 1748)
..........................13 Catherine Seymour (1697 - 1731)
.......................... + William Wyndham (1687 - 1740)
............................14 Elizabeth Wyndham (1726 - 1769)
............................ + George Grenville (1712 - 1770)
..............................15 William Wyndham Grenville (1759 - 1834)