There is no straightforward answer to this question as it involves a complex web of legal, historical, and cultural factors. However, there are some scenarios that can help shed light on the issue.
Firstly, it is important to understand that the British monarchy operates according to a system of primogeniture, which means that the crown is passed down through the eldest child of the monarch, regardless of gender. This system was only recently changed, with the introduction of the Succession to the Crown Act in 2013, which eliminated the male preference primogeniture and gave equal rights to male and female heirs.
Assuming that Prince William becomes king and then dies before his wife Kate, the throne would pass on to their eldest child, Prince George, who would become king. However, if Prince George is still a minor at the time of his father’s death, then Kate would likely become his regent, which means that she would act as a temporary ruler until Prince George comes of age.
If Prince George were to die before reaching adulthood, then the crown would pass to his younger siblings, Princess Charlotte and Prince Louis, in that order. If all three of Prince William’s children were to die before having any children of their own, then the line of succession would pass to the next closest living relative of the monarch.
It is also worth noting that there are no hard and fast rules when it comes to the role of queen consort or queen dowager. In general, the spouse of a king is referred to as a queen consort, while the widow of a king is referred to as a queen dowager. However, these titles do not necessarily confer any political power or authority, and their role is largely ceremonial.
If Prince William were to die before becoming king, then the line of succession would pass on to his younger brother, Prince Harry. If Prince Harry were to die without any children, then the line of succession would pass on to the next closest living relative of the monarch.
It is worth noting that the British monarchy has a long and complex history, and there have been many cases in which the line of succession has been disrupted or altered due to various factors such as illegitimacy, religious differences, and political turmoil. However, in modern times, the monarchy has become more stable and predictable, with a clear system of succession in place.
In conclusion, if Prince William were to die before his wife Kate, the throne would pass on to their eldest child, Prince George, and Kate would likely become his regent if he is still a minor at the time of his father’s death. However, there are no guarantees when it comes to the British monarchy, and the line of succession can be influenced by a wide range of factors.