United Kingdom - Passport & Nationality - NEW - British Citizenship by Discretion (Father Territory Marriage RoA)
This solution has arisen from recent changes to legislation to remedy gender discrimination in the old law. While the UK Home Office have not yet approved this particular principle of gender discrimination, we are confident that they will change their position.
The claim relies on your birth before 1983, your father being born in a former British Territory (Protectorate, Protected State or Colony) before its independence, your parent's marriage before this country's independence and you having the Right of Abode through a UK-born maternal grandparent.