Someone distributing his money between his heirs during his lifetime

Q: Subject: A father dividing his wealth among his heirs while still alive as follows: 1- Mother, 72 years old.2- Sister, 36 years old, married.3- First son, 34 years old, married.4- Second son, 32 years old, married.5- Third son, 30 years old, married.6- Fourth son, 27 years old, married.7- Fifth son, 24 years old, bachelor.8- Sixth son, 18 years old, bachelor.9- Seventh son, 16 years old, bachelor.My mother died in 1975, and in 1980 my father married another woman who has given birth to no children until now. My married siblings urged our father to divide his wealth for fear that, (Part No. 16; Page No. 463) according to them, his wife will receive the largest share of the wealth after my father's death, something known only by Allah. They also claim that they cannot make good money within the borders of one family - you know family internal disputes each wanting to achieve the greatest possible gains while they are a member of the family. My father got confused regarding this, hoping to satisfy his children and to feel free from accountability before Allah (Exalted and Glorified be He). This year, he had the opportunity. Having traveled to the Holy Lands, he entrusted me with such a task, i.e. to ask for your fatwa, may Allah make you the light of guidance, that you may tell him about that which will free him from accountability in this life.

A: We advise your father not to divide his wealth while still alive, for he may need it later. May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.