A husband's interest upon the death of his wife in the real property of an estate that she either solely owned or inherited provided they bore a child capable of inheriting the estate is known as what ... ?

Answer: Curtesy

Explanation:

Curtesy is known to be a law which guarantees the right of a man (husband) to his wife's properties after her death if they both had a child or children for each other during the period of their marriage. The man can later pass the properties to the child or children when they mature. Thus, the man does not have the right to give the properties to someone else or made the available for sale.