+---John Grimsey (ABT 1744-)
| +---Mary ? 
+---Robert Grimsey (ABT 1782-)
| +---Mary Richardson
David Grimsey (ABT 1822-)
| +---Robert Pickis
| +---Richard Pickes (ABT 1611-)
| +---Nathaneal Pickis (ABT 1646-)
| +---Samuell Pickiss (ABT 1680-)
| | +---Mary ?
| +---Samuel Pickiss (ABT 1709-)
| +---Samuel Pickess (ABT 1738-)
| | | +---George Warren
| | | +---George Warren (ABT 1691-)
| | | | +---Elizabeth Pain
| | +---Elizabeth Warren (ABT 1717-)
| | +---Elizabeth Appleby
| +---Samuel Pickess (ABT 1764-)
| | +---Elizabeth Clarke
+---Elizabeth Pickess (ABT 1788-)
| +---John Church
+---Mary Church (ABT 1757-MAY 1791)
+---Mary ?