His father killed his mother; can he take the inheritance from him on the basis that it is diyah (blood money)?

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He wants to share out his money between his two young daughters because he fears that his heirs will be unjust to them
She died and left behind four daughters, a full sister and a granddaughter (son’s daughter)

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Related Answers:
Can a person who is Muslim in name only be given any part of the inheritance?
If a person dies and his heirs receive some money from his life-insurance, is it permissible for them to keep it?
His father gave him something then he died before the son took it
He wants to share out his money between his two young daughters because he fears that his heirs will be unjust to them
She died and left behind four daughters, a full sister and a granddaughter (son’s daughter)

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