+--Tristram Thomas  (1522-)
      +--Edmond Thomas  (1545-28 MAR 1627)
      |  +--Mrs. Tristram Thomas  (1522-)
   +--Tristan "Tristram" Thomas  (1580-18 JAN 1639/40)
   |  +-- Elizabeth  (1549-24 OCT 1587)
+--Christopher Thomas  (10 FEB 1603/04-25 MAR 1670)
|  +--Elizabeth Marsh  (1577-NOV 1662)
Tristram "Tristan" Sr. Thomas  (20 SEP 1629-22 MAY 1686)
+--Elizabeth Wid. Higgins  (1612-26 MAR 1697)