However, it's difficult to determine who was the richest king ever as it is impossible to accurately compare the wealth of kings across different eras and regions.
The concept of wealth is also subjective and can include factors such as land holdings, personal assets, and the overall economic conditions of the time
. Moreover, some of the richest kings in history were known for their lavish spending and wealth distribution, which may have decreased their overall net worth. Therefore, it's challenging to definitively identify the richest king ever.