A son is a male offspring; a boy or man in relation to his parents.
Two thirds of what he left goes to the son, and one third goes to the daughter. This is if he left only one son and one daughter only with out wife. If he left a wife, she gets one eighth, then the remaining should be made in three equal shares, two shares for the son and one share for the daughter.
Every one is allowed to give charity from his own earned income with out permission from his father or mother etc as far as his father and Munther are not in need for that charity money for their own livelihood expenses.
This is unacceptable. Whatever the family's religion may be, Muslims must honour and respect their families. Your wife has no right to do this.
If she has certain concerns, you should address them. There might be something she has seen, like abuse, or intimidation, or trying to brainwash your son, etc... Try to pinpoint what the dispute is about, and deal with it.
But if it is just because she has no respect for your family, this does not give her the right to deprive her son of visiting or being with his grandparents and family.
With prayers for your success.
It is not allowed for one to completely cut ties with those who it is wajib to keep ties with. Yes, one may not have a good relationship with a certain family member and may not want to see them face to face, however there are a number of actions to still keep minimum contact which would not be considered cutting them off entirely. This could be through the phone, email or messaging apps which society would consider still keeping a relationship.
With parents one should try as much as possible to keep a good relationship and the son ignoring his mother would be doing qat al rahm.
May Allah swt grant you success
Her husband gets one quarter. The remaining three quarters goes to the son and daughter who were alive when the woman died. Two shares for the son and one share for the daughter.
If the daughter had already passed away before her mother, the son will get the three quarters.
Muslim man is not allowed to permanently marry a Non Muslim woman from people of Book. Temporary marriage is permissible under some conditions.
Nikah is the recitation of the marriage agreement whether permanent or temporary which is must.
Assuming that your mother has passed, besides whether it is wajib for you or not, it would be the most noble and most loyal thing for you to do. Your mother might have forgotten, or unintentionally neglected, or gone through some difficulties, and did not perform her acts of worship.
You, the loyal son, are able to compensate that and the reward and blessings will not only go to her, but to you as well. In some hadiths it says there are some children who are loyal to their parents while alive, and not loyal when they die. Being not loyal is not doing dua or prayers or good deeds for them.
If you cannot roughly estimate, or have no idea, you have two options:
1. Pray what you can, as long as you are healthy and have time. The bonus is it's extra 'ibadah for you, which is a wonderful thing.
2. You can hire someone to do the 'ibadaat on behalf of your mother. There are many poor mu'mineen/mu'minaat who live off doing 'ibaadaat hire. Pay for whatever you are financially capable of.
With prayers for your success.
It is indeed very sad to hear that your late son took his life. May Allah ta'ala grant him ease in the Next life. Most important for you is not to ponder on why and how, but more on what you are able to do to contribute to helping others around you to avoid repetition of such an incident.
You experienced this, so you are able to help those around you and the community to bring about awareness. Take this unfortunate incident and use it for positive use. This will not only keep you occupied from having negative thoughts, or, God forbid, falling into depression, or losing hope in your life as well.
You should try to do righteous deeds and grant its reward to your late son. Do charity work on his behalf, and try to let others remember the good things about him, so they can be insired and learn from all of this.
Another thing that would be important to do is reach out to a qualified counselor who can give you professional tips to deal with such loss and overcome this difficulty.
With prayers for your success.
The eldest son is responsible to perform the obligatory Qadha prayers of his father if it was missed due to a valid reason like illness etc. If the parents did not perform their obligatory prayers for no valid reason, the Qadha is not obligatory on the eldest son. Although, it is very good for him or other children to pay for persons who perform Qadha prayers on behalf of deceased persons to perform the obligatory Qadha prayers of the deceased. This will help the deceased a lot.
Yes, there are many narrations in books of Hadeeth mentioning the reward for parents who have daughters and bring them up properly, that they will be in the Paradise.
Narrated from Imam Jafar Al-Sadiq (AS) : Daughters are reward while sons are a bounty, and reward will be for those who have daughters, while bounties will be asked about. (Al-Kaafi 6:6).
The believer is happy with what ever Allah (SWT) grants him, because Allah (SWT) knows the best for us, now and every time. Allah (SWT) grants to a couple only daughters or only sons or both, and does not give some couples any children, all because of His Wisdom and Mercy on us. (Sura 42, Verses 49 and 50).
Accepting and being satisfied with the will of Allah (SWT) is very important for he believers.
1. If the deceased left only one son and one daughter, and no wife, the daughter will inherit one third and the son wll inherit two thirds.
2. If the deceased left two sons and three daughters, and no wife, the wealth left must be divided in to seven equal parts, one part ( 1/7) for every daughter and two parts (2/7) for every son.
The son must tolerate and be patient and never counter his father or hurt his feelings. Whatever wrong done by any parent must be tolerated.
It is good to talk to your father either directly or indirectly to know the reasons of his attitude towards you. That might help decreasing the misunderstanding.