He died and left behind a wife, a son and three daughters, then the wife died

No File Exists
Check below answers in case you are looking for other related questions:
If a woman dies and leaves behind full siblings or half siblings through the mother
Division of inheritance among a mother, father and four brothers

No File Exists
Related Answers:
He wants to share out his money between his two young daughters because he fears that his heirs will be unjust to them
Is it permissible for the heirs to agree on males and females taking equal shares?
He died and left behind a mother, a father and a wife with whom he had not consummated the marriage
If a woman dies and leaves behind full siblings or half siblings through the mother
Division of inheritance among a mother, father and four brothers

Recommended answers for you:
Can Muslims settle in kaafir countries for the sake of a better life?
Praying for the newborn to be righteous in various ways
Ruling on trimming the beard because it looks scary
Bid‘ah of Sha‘baan
Ruling on a Muslim entering a church