+--Gervase TROKMERTON,DE  (ABT 1080-By 1180)
                  +--Osmond TROKMERTON,DE  (ABT 1110-By 1210)
               +--John THROCKMORTON  (By 1140-By 1240)
            +--Henry William THROCKMORTON, LD  (ABT 1165-By 1265)
         +--Adam THROCKMORTON  (By 1230-By 1330)
      +--Robert THROCKMORTON  (By 1245-By 1345)
   +--Adam THROCKMORTON  (By 1260-By 1360)
+--Robert THROCKMORTON  (ABT 1275-By 1375)
John THROCKMORTON  (ABT 1290/1295-By 1395)

Revised: 14 Jul 2002 by Bonnie L Schermer