David John Altena (20 NOV 1977-)
| +---John Rush Lichtwark
| +---Hayden Thompson Lichtwark (23 MAY 1909-)
| | | +---William Thompson
| | | +---William Thompson (ABT 1847-20 DEC 1906)
| | | | +---Louisa Walton 
| | +---Ada Eleanor Thompson (19 JUL 1878-22 MAY 1961)
| | | +---Thomas Edwards
| | | +---Joseph Edwards (02 OCT 1710-)
| | | +---Robert Edwards (11 AUG 1754-11 NOV 1804)
| | | | +---Johanna Ingram
| | | +---Charles Edwards (30 NOV 1783-02 MAY 1857)
| | | | | +---William Mortimer
| | | | +---Mary Mortimer
| | | +---Robert Edwards (30 JUL 1807-19 MAR 1880)
| | | | | +---John Burnside
| | | | | +---John Burnside (-BEF 1807)
| | | | +---Harriet Burnside (ABT 1785-19 DEC 1853)
| | | | | +---Robert Walker
| | | | +---Mary Ann Walker
| | | | +---Elizabeth ?
| | +---Emma Jane Edwards (27 APR 1854-30 OCT 1930)
| | | +---Henry Dodsworth (-11 APR 1793)
| | | +---Matthew Dodsworth
| | | | +---Elizabeth ?
| | | +---Henry Dodsworth (25 MAR 1799-31 AUG 1878)
| | | | | +---William Blanshard
| | | | +---Elizabeth Blanshard
| | | | +---Elinor ?
| | +---Eleanor (Ellen) Dodsworth (17 MAR 1822-15 MAY 1905)
| | | +---John Turner
| | | +---William Turner
| | | | +---Elizabeth ?
| | +---Mary Turner (13 JAN 1801-14 APR 1855)
| | | +---Richard Lund
| | +---Helen Lund
| | +---Elizabeth ?
+---Monica Clare Lichtwark (31 AUG 1940-)
+---Mavis Sarah Haswell