VIC Distribution of an estate to a beneficiary that was bankrupt

[Wildchild03]

I'm hoping someone can let me know how an estate is distributed where one of the beneficiaries was bankrupt. Sister A. was bankrupt at the time of our mothers death and she, myself and Sister B are the sole beneficiaries of the estate. Sister A. has since been discharged but I understand because she was bankrupt at the time of Mums death, then any inheritance she is due to receive goes to the trustee. The estate has now been finalised but the solicitors are now saying that we need to have a Deed of Release prepared for the trustee to sign prior to any distribution and then to be signed by myself and Sister B. Has anyone had to sign a Deed of Release before they receive their inheritance?