Administration of Estates Act 1925: Core legislation that defines who qualifies as next of kin, establishes the order of priority for inheritance, and sets out basic rules for estate administration

Family Law Reform Act 1987: Legislation relevant for establishing relationships and rights of children, including both legitimate and illegitimate children in matters of inheritance

Civil Partnership Act 2004: Legislation recognizing and protecting the rights of civil partners as next of kin in legal matters

Marriage (Same Sex Couples) Act 2013: Law ensuring equal treatment and recognition of same-sex spouses in next of kin matters

Statutory Declarations Act 1835: Historical legislation that establishes the requirements for making valid declarations under oath

Perjury Act 1911: Criminal law that makes false declarations a criminal offense, emphasizing the serious nature of affidavits

Mental Capacity Act 2005: Legislation relevant for cases where the deceased lacked capacity before death and for establishing validity of prior arrangements

Human Rights Act 1998: Law ensuring compliance with human rights principles in family matters and inheritance

The Supreme Court Rules: Procedural guidelines and requirements for sworn statements and affidavits in legal proceedings