They may be entitled to a portion of his estate under the state laws of intestacy. You can check your state laws at the related question link below.
Maybe, maybe not. Different places have different laws. In some places, all children (estranged or not) are assumed to be heirs unless the will specifically states otherwise, and sometimes even that's not sufficient and the child is entitled to a share in the estate anyway.
It depends on a number of factors: Are you listed in the will? If not, you probably are not entitled to anything. If you husband has passed away, and he had children with you, you may be entitled to some of it in trust for the children. If your husband is living, no, the inheritance belongs to him.
He would have a claim on the estate. In many cases the step children do not have a claim on the estate.
They can certainly claim a portion of the estate. They are entitled to it as much as any other descendants. And in most cases if there is no will, there is a portion of the estate that they get.
Laws regarding inheritance vary by jurisdiction, but generally, estranged children can still be entitled to claim a portion of their father's intestate estate if they are able to establish their legal right to inheritance. However, this may depend on factors such as the laws of the specific jurisdiction, any existing wills or legal documents, and the nature of the estrangement. It is advisable to seek legal counsel for guidance specific to the situation.
Probably Spouse first, then his Estate then the children.
No, the estate is responsible for all debts, including those of the burial. However, if the children sign the contracts for the funeral arrangements, they may be responsible.
Yes
Was her name still on the deed? Technically only the executor of the estate can sell the house. If they were still legally married, yes, she is entitled to part of the estate. Her children that were not his children, would not be entitled to any share of the estate.
If an heir of an estate dies who entitled to that portion of the money?
That depends on the State the will is probated in. For instance, in New Jersey, an adult child has no rights to a parents estate if he was not mentioned in the will. The parent has the right to give his possessions to a charity if he wishes to do so.
The estate is responsible.