There are many different rulers like Queens, kings, prince and princes. For example on pg. 82&83 in the social studies book . It shows all the rulers. From how long they ruled to where they ruled and what they did when they ruled.
There are different rulers are queens kings princes and princess they are like presidents.Escape in later years they didn't say that there rulers where presidents, they called them ether queens, kings or the oldest child of the family that is royal, but not any on can be the rulers.
