You don't have an "ex". Your wife is legally entitled to a portion of any property you own in your own name under the laws of intestacy. You can check the laws of your state at the related question link provided below. The woman you have been living with is legally entitled to nothing.
A proven biological child is usually entitled to a portion of her father's estate.
Are you talking about the estate of you and your spouse? If you were married, then the estate will automatically be yours anyway. It would possibly be a different situation if you were divorced or separated.
YES! You must PROBATE the estate. ( prove) Go to county court house and tell them you want the probate dept and go in and ask them how to do it.
The person to whom you referred is his widow and generally a widow is entitled to a portion of her husband's estate under most state laws. You can check the laws of intestacy at the related question link provided below. His widow would be referred to as the surviving spouse under state laws of intestacy.
If an heir of an estate dies who entitled to that portion of the money?
Typically your spouse will be entitled to at least half the estate, even if the will says otherwise.
That depends on the laws of the State and whether the decedent left a will, but the older child would likely be entitled to a share of the estate, assuming paternity was established.
If he legally adopted you, perhaps you might be an heir if his estate is intestate. You should speak with an attorney in your jurisdiction who is familiar wth your state probate laws.
The sole beneficiary is entitled to any assets remaining after the estate has been probated and the debts of the estate have been paid.
No. The couple is legally married until they have been granted a divorce. That means they are legally entitled to each other's estate in the case of death.
If the property is in the estate, the estate is responsible for them. You are entitled to be reimbursed if you have paid them for the estate. Submit your claim to the executor.
The estate of the deceased is responsible for the debts. In this case, it would be difficult to show that the spouse benefited from the debt.