+--John GELLIBRAND  (1189-1243)
                     +--John GELLIBRAND  (ABT 1230-UNKNOWN)
                     |  +--Julia WHITE  (ABT 1200-UNKNOWN)
                  +--Thomas GELLIBRAND  (ABT 1250-UNKNOWN)
                  |  +-- UNKNOWN  (ABT 1228-UNKNOWN)
               +--Roger GELLIBRAND  (ABT 1280-UNKNOWN)
               |  +-- UNKNOWN  (-UNKNOWN)
            +--John GELLIBRAND  (ABT 1310-UNKNOWN)
            |  +-- UNKNOWN  (-UNKNOWN)
         +--John GELLIBRAND  (ABT 1330-UNKNOWN)
         |  +-- UNKNOWN  (-UNKNOWN)
      +--Thomas GELLIBRAND  (ABT 1350-UNKNOWN)
      |  +-- UNKNOWN  (-UNKNOWN)
   +--Humphrey GELLIBRAND  (1380-ABT 1441)
   |  +-- UNKNOWN  (-UNKNOWN)
+--John GELLIBRAND  (1415-UNKNOWN)
|  +--Elizabeth QQ  (-UNKNOWN)
Thomas GELLIBRAND  (1435-UNKNOWN)
+--Mary GERARD  (-UNKNOWN)