I believe the answer is: Family structures are changing, but families remain important to American life.
The main reason of the changing structures is the increase in divorce rate, and non-monogamous relationship. In the past, almost all children only have one father and one mother. In recent years, children could have more than 2 parents or even only one (in case of single parenthood)
1.A women was known a a king rather than a queen because when thutmes died Hatshepsut took her nephews position as ruler and then declare her self as king until she die.
2. To have 900 brother and sister would be very cool but at the same time kinda of difficult to live with.