If Prince William is alive after the death of his Grandmother Queen Elizabeth II and his Father Prince Charles he will become King.
Prince William
Prince William is second in line for the throne, after his father Prince Charles.
The heir to the throne in the UK is Charles The Prince of Wales.
The next in line to the throne after Prince William is his son, Prince George.
If Charles dies before Queen Elizabeth dies, then Prince William will be first in line. If Charles dies while he is king (having succeeded Elizabeth to the throne), then Wlliam becomes king and his eldest son (supposing there is one) will be heir to the throne. If William does not have children, then his younger brother Harry will be first in line.
Prince William
His son Prince William, Duke of Cambridge who is second in line to the throne.
In the official pecking order, Prince William is not next in line .. Prince Charles is. Unless he dies or is incapacitated in some way, Prince Charles will be the next King of the United Kingdom.
At present Prince William is second in line after his father, Prince Charles
Prince Charles in next in line to throne. Then it will be Prince William, and then it will be Prince George.
Prince Charles in next in line to throne. Then it will be Prince William, and then it will be Prince George.
probably when Queen Elizabeth dies it will either be Prince Charles or Prince William on the throne.