Mark Thomas Essex
| +---Gordon Thomas (08 FEB 1904-)
+---Glenys Diane Thomas 
| +---Charles Frederick Smith
+---Alice Esther Smith (01 JAN 1903-)
| +---William Lane (-06 JUL 1787)
| +---William Lane (1755-1840)
| | +---Elizabeth Dickenson (-10 DEC 1764)
| +---George Lane (1796-1863)
| | +---Jane Harris (1753-1833)
| +---Richard Lane
| | +---Alice Herbert (-1888)
+---Marie Edith Lane (02 DEC 1867-08 MAY 1970)
+---Jane Dunford