The power of attorney ends with the death of the grantor. Someone will open an estate in order to settle the debts.
The money belongs to her estate. The executor of the estate will distribute it according to the will.
When your mother-in-law passes away, her life estate interest will terminate according to the terms of the life estate. You may have to vacate the property depending on the specific terms of the life estate arrangement and any agreements made with the estate's beneficiaries. It is recommended to review the legal documentation and consult with an attorney for guidance on your rights to stay on the property.
The power of attorney expires on the death of the principal. The estate is responsible for the debts, and they may request a full accounting from the power of attorney.
Your father's estate will be responsible for his debts unless you have agreed in writing to be responsible. If his home is mortgaged you will need to pay the mortgage if you want to keep the house. When the time comes you should seek the advice of an attorney who specializes in probate law in your area.
You are not personally responsible. However, if your mother owns any property in her name the government can record a lien against her estate. The lien must be paid before any property can be distributed. For future reference: If it happens that a Medical Assistance lien is filed against your mother's estate a skilled attorney can usually negotiate a settlement for a lessor amount in return for a cash offer.
It will depend on the specific way in which the grandmother's will is written. In this case, they money normally expected to go to the mother would skip her and go directly to the grandchildren. You will need to consult a probate attorney to see what will happen in this specific jurisdiction and the situation.
In most cases the debts of the deceased are the responsibility of the estate. That is the purpose of creating an estate. Anyone with a debt or claim can petition the court to establish one. Consult a probate attorney in your jurisdiction for help.
The estate is responsible for his debts. In most cases this will mean that the credit cards will have to be paid off before the spouse or children can inherit any money. If the wife is also listed on the credit card, she will be liable along with the estate for paying it off. This question is best posed to an attorney familar with California estate law and this mans' will.
That may require a payment of taxes. The form of the life estate will also affect the tax situation.
Signing a mortgage does not give you an interest in the real estate. An interest in real estate is acquired by deed. Hopefully you are also on the deed to the property as the joint owner with the right of survivorship. That would make you the sole owner of the property upon your mother's death. However, if you are not on the deed and you signed the mortgage then your mother's death would make you solely responsible to the lender for paying the mortgage and you would need to probate her estate so that title to the real estate would pass to her heirs. If there are other siblings they would inherit an equal interest in the property and perhaps you could make a claim against the estate for your mother's half of the mortgage balance. You should speak with an attorney.
Typically, any debts accrued by a husband/wife who dies, are to be settled by the estate. Since this normally passes on to the surviving spouse, any debts must be settled by the surviving spouse.
If your mother passes away without a will, the laws of intestacy in her state will determine how her estate is distributed among her children. In this case, her second oldest child can petition the court to be appointed as the administrator of the estate to distribute assets according to the state's intestacy laws. It would be advisable to consult with a probate attorney for guidance on this process.