The Prime Ministers of the 16 Commonwealth realms where Her Majesty the Queen is Head of State have unanimously agreed to work towards amending the rules of succession.
The countries wish to see change in two areas. Firstly, they wish to change the current system of primogeniture, which allows a younger son to displace an elder daughter in the line of succession. Secondly, they wish to amend the legal provision which states that any heir who marries a Roman Catholic will no longer be eligible to succeed to the Crown.
These changes mean that if Prince William and Catherine Middleton have a first-born daughter who marries a Roman Catholic, and that daughter also has a younger brother, she would nonetheless be eligible to inherit the Crown.
To read more about the First Draft of Agreement please visit the official CHOGM website.