If the deed is in JOINT ownership, the Survivor gets it automatically. If there is a will, the property goes to whomever it is willed to. If there is no will, the laws of intestacy apply, giving the spouse a share and surviving children a share.
732.102 Spouse's share of intestate estate. The intestate share of the surviving spouse is: (1) If there is no surviving lineal descendant (children) of the decedent, the entire intestate estate. (2) If there are surviving lineal descendants of the decedent, all of whom are also lineal descendants of the surviving spouse, the first $60,000 of the intestate estate, plus one-half of the balance of the intestate estate. Property allocated to the surviving spouse to satisfy the $60,000 shall be valued at the fair market value on the date of distribution. (3) If there are surviving lineal descendants, one or more of whom are not lineal descendants of the surviving spouse (step-children of the surviving spouse), one-half of the intestate estate. You may read the entire text at the link at the related question below.
His estate would go to his children first. If no children then to his parents. If no parents then to his siblings or the descendants of any deceased sibling. You can read the text of the law in detail at the link below.
The wife take it.
If your husband has a will then his property is distributed accordingly, if he not have a will then the distribution of property is determined by a probate court.
Any property your husband owns with another as a joint tenant will automatically pass to the surviving joint tenant upon his death. For example, if he and his brother own a cabin as joint tenants the cabin will belong to his brother if your husband dies first.
The princess' son will be the prince.
If the mortgage isn't paid the lender will take possession of the property by foreclosure and sell it.
the lawyers get rich
The property of the wife would be distributed to family in accordance with applicable instestate law, including to the husband. After the husband died, his property (including any property inherited from the wife) would be distributed to his survivors according to applicable intestate law.
The property will become owned by the state in which the property is located. When this happens we say the property "escheats" to the state.
She will be crying and take over.
She dies of a heart attack
No. If he dies and defaults on the loan the bank's recourse is to take possession of the property by foreclosure. The bank has no claim against you.
Assuming no Will, if community property, then all goes to wife. If separate property, then divided between wife & kids.