- Partnership with: Anna Maria KUNZEL
Marriage: 1904, Wagin, Western Australia
- Child: Linda Clark RETALLACK Birth: 1905, Wagin, Western Australia
- Child: Gladys Rita RETALLACK Birth: 20 AUG 1907, Yealering, Western Australia
- Child: Arthur Augustus RETALLACK Birth: 7 MAR 1908, Wagin, Western Australia
- Child: Myrtle Elizabeth Retallack RETALLACK Birth: 29 JAN 1910, Wagin, Western Australia
- Child: Ernest Edgar RETALLACK Birth: 10 JUN 1912, Pinjarra, Western Australia
- Child: Edith Victoria RETALLACK Birth: 19 JUN 1914, Osborne Park, Western Australia
- Partnership with: Edith Urline MITCHELL
Marriage: 1945, Perth, Western Australia
Ancestors of Alexander RETALLACK
/-John RETALLACK
/-Seth RETALLACK
| | /-John RASHLEIGH
| | /-John RASHLEIGH
| | | \-Margaret ALLEN
| \-Caroline RASHLEIGH
| \-Phillis SYMONS
Alexander RETALLACK
| /-Thomas CONSTABLE
\-Sarah CONSTABLE
Descendants of Alexander RETALLACK
1 Alexander RETALLACK
=Anna Maria KUNZEL Marriage: 1904, Wagin, Western Australia
2 Linda Clark RETALLACK
2 Gladys Rita RETALLACK
=Thomas RUSSELL Marriage: 9 NOV 1929, Perth, Western Australia
2 Arthur Augustus RETALLACK
=June I GASCOIGNE Marriage: 1952, Perth, Western Australia
2 Myrtle Elizabeth Retallack RETALLACK
=Ronald George FOWLER
=John Joseph JEFFREY Marriage: 1939, Perth, Western Australia
2 Ernest Edgar RETALLACK
=Phyllis Emily HAINES Marriage: 28 DEC 1940, Toodyay, Western Australia
2 Edith Victoria RETALLACK
=Albert PAULL
=Kees BESSELL
=Edith Urline MITCHELL Marriage: 1945, Perth, Western Australia