To obtain spousal maintenance in Perth / Western Australia, we look to Section 72 of the Family Law Act 1975 (section 205ZC of the Family Court Act 1997 for de facto couples).
Handy Hints (12) – Factoring in inheritance in family law proceedings
If you have received an inheritance late in the relationship or even after the relationship ends, but before your family law financial settlement, the inheritance is not automatically ‘excluded’ from the asset pool.