John Sell (c1450-bef.31 Mar 1502) married Agnes, lived in Great Hadham, Hertfordshire.

John Sell (c.1480- bef.18 Oct 1529) married Joan, lived in Great Hadham, Hertfordshire.
. 1. John Sell (c.1505-1574) married the widow Hampton
. 2. Simon Sell (c1510-1559) married Elizabeth
. 3. Joan Sell (d.aft.1573) married a Mannyng
. 4. Elizabeth Sell (d.aft.1559)

Simon Sell (c1510-bef.4 Sep 1559) married Elizabeth (order of children uncertain)
. 1. William Sell (c1530-bur17Jan1620/1) m.(1) Agnes; m(2) Alice Gardner, m(3) Christian Gannage
. 2. John Sell (aft.1537-aft.1573)
. 3. Joan Sell married by 1559 John Shotbolt (d.1567)
. 4. Elizabeth Sell died after 1573
. 5. Ellen (Helen) Sell (d.Mar 1563/4) 
. 6. Agnes Sell (d.aft.1573) married a Thorne

William Sell (c.1530-bur.17 Jan 1620/1) m.c.25 Jul 1559 Agnes (d.bef.1596), m.19 Jan 1596/7 Alice Gardner, widow (bur.8 Jan 1600/1), m.23 Apr 1605 Christian Gannage (bur.4 Jul 1611) lived in Great Munden, Hertfordshire.  (order of children uncertain)
. 1. Elizabeth Sell (bapt.25 Jul 1560)
. 2. Mercy Sell (c.1564) m.bef.1592 William Bramfield; m.23 Dec 1596 Philip Bristow
. 3. Katherine Sell (c1566-aft.1618) m.2 Aug 1593 Philip Nash; m.25 Jun 1615 John Potterell
. 4. Susan Sell (c.1568-aft.1618) m. Jul 1592 Luke Child
. 5. John Sell (c1570-aft.1618) m.1 Feb 1597/8 Mary Bristow
. 6. Mary Sell (c.1572-aft.1618) m(1) George Platt; m(2) Robert(?) Shanbrooke
. 7. Agnes Sell (d.aft.1618) married an Elliot
. 8. Grace Sell (d.aft.1618) married a Stone
. 9. William Sell (c.1580-bur.4 Feb 1630/1) m.c1608 Mary

Mary Sell (c.1572-aft.1618) m.22 Jul 1593 George Platt (bapt.13 May 1582-bur.20 Apr 1609), tailor of Ware, Hertfordshire, apparently not baptized as an infant; she married before 24 Jan 1617/8  Robert(?) Shanbrooke
. 1. George Platt (bapt.23 Jul 1598-bur.15 Jul 1625)
. 2. William Platt (bapt.26 Oct 1600) m.bef.8 Nov 1629 Martha
. 3. Richard Platt (bapt.6 May 1604-bef.13 Feb 1784/5) m.26 Jan 1628/9 Mary Wood
. 4. Mary Platt (bapt.23 Mar 1605/6)
. 5. Elizabeth Platt (bapt.7 Aug 1608-bur.5 Oct 1608)
. 6. Elizabeth Shanbrooke (bapt.3 Apr 1614) 

Epenetus Platt (1640-1693) m.1667 Phebe Wood (1649-1697)

Epenetus Platt (1674-1744) m.1703 Elizabeth Smith (1678)

Uriah Platt (1707-1746) m.1727 Mary Smith (1709-1761) 

Margaret Platt (1728-1791) m.1744 Isaac Smith (1722- 1795)

Margaret Smith (1763-1821) m.1780 Morgan Edwards (c.1750-1798)

Margaret Edwards (1789-1864) m.1821 Thomas Tate (1775-1838)

Thomas Edwards Tate (1821-1914) m.1845 Mary Vernon Cutrer (1825-1892)

Frances Mary Tate (1852-1881) m.1871 Walter Edwin Tynes (1848-1928)

Jeanne Marie Tynes (1878-1958) m.1913 Carson B Matthews (1874-1948)

Frances Mary Tate Matthews (1917) m.1949 Virgil Raymond Liptrap (1907-1977)

James Matthews Liptrap (1951)