+---Cecil Leo Duncan (08 AUG 1905-25 FEB 1977)
| +---Edith ? 
+---Bruce Patrick Duncan
| | +---Anton Mioh Michalik (07 SEP 1848-13 JAN 1920)
| | +---Tredor Michalik (25 MAY 1877-)
| | | | +---Peter Shramka (ABT 1832-21 JUN 1909)
| | | +---Marianne Schramka (1859-04 OCT 1940)
| | | | +---Joseph Kovalske
| | | +---Pauline Kowalske (ABT 1832-29 DEC 1898)
| | | +---Marie Zebura
| +---Mary Magdalene Agnes Michalik (25 JAN 1913-12 JUL 1968)
| +---Mary Miller (ABT 1878-)
Brett Lee Duncan
+---Anne Norma ?