+--John Drake 
+--Bernard Drake  (1530-10 APR 1586)
|  |        +--Thomas Granville 
|  |     +--Thomas Grenville  (ABT. 1449-18 MAR 1512/13)
|  |     |  +--Elizabeth Gorges 
|  |  +--Roger Grenville  (1477-7 JUL 1524)
|  |  |  |  +--Otho "Otes" Gilbert 
|  |  |  +--Isabella Gilbert  (ABT. 1456-)
|  |  |     +--Elizabeth Hill 
|  +--Anne "Amye" Granville  (1513-18 FEB 1576/77)
|     |  +--Richard Whitleigh  (ABT. 1449-)
|     +--Margaret Whitleigh  (ABT. 1478-)
|        |  +--John Trenowth 
|        +--Margaret Trenowth  (ABT. 1460-)
|           +--Honour Tregarthin  (ABT. 1432-)
John Drake  (1566-11 APR 1628)
|  +--Bartholomew Fortescue 
+--Gertrude Fortescue  (1538-10 FEB 1600/01)
   |  +--Morris Moore 
   +--Ellen Moore  (ABT. 1505-)
      |        +--John Bonville 
      |     +--William Bonville  (30 AUG 1393-18 FEB 1459/60)
      |     |  |     +--Henry Fitzroger 
      |     |  |  +--John Fitzroger  (ABT. 1341-ABT. 1372)
      |     |  |  |  +--Elizabeth de Holand  (ABT. 1320-13 JUL 1387)
      |     |  +--Elizabeth Fitzroger  (1371-10 APR 1414)
      |     |     +--Alice Bonville Cheddar  (ABT. 1346-)
      |  +--John Bonville  (ABT. 1435-1491)
      |  |  +--Isabelle Kirkeby  (ABT. 1403-)
      +--Cicely Bonville  (ABT. 1488-)
         |  +--William (Dennis) Dennys  (ABT. 1416-)
         +--Alice Dennys  (ABT. 1442-AFT. 1500)
            +--Joan Saint_Aubyn  (ABT. 1418-)