| +---James Atkinson 
| +---Herbert Preston Atkinson (24 APR 1895-21 FEB 1950)
| | +---Jane Baird
| +---Herbert Attwood Atkinson (16 NOV 1916-04 DEC 1998)
| | | +---Thomas Brooks (1839-24 MAR 1919)
| | | +---Thomas Edward Brooks (04 SEP 1868-25 JUN 1928)
| | | | +---Georgina Rowe (-25 OCT 1919)
| | +---Harriet Josephine Brooks (06 JUL 1897-23 DEC 1972)
| | | +---Thomas Pease (1763-)
| | | +---Thomas Pease (1810-1888)
| | | | +---Ann ? (1764-1826)
| | | +---John Pease (1840-02 APR 1916)
| | | | +---Sarah Elizabeth ?
| | +---Alice Louisa Pease (26 JUL 1869-06 OCT 1946)
| | | +---George Smith
| | +---Harriet Smith (1840-16 AUG 1923)
| | +---Elizabeth Savin
+---Judith Anne Atkinson
| +---Alexander Henderson
+---Hannah Maud Henderson
+---Jessie Davidson