It should be governed by the state intestate law.
Generally, the wife has survivorship over some properties and will automatically take over the ownership thereof, such as the house which the hu*****and and wife have joint ownership, joint bank accounts, pension plan, etc.
If the hu*****and has life-insurance, the benificiary of the insurance will take it.
For the hu*****and's other properties, the wife will take a certain percentage decided by the state law and all children will share the remaining property in equal share.