A Bill to make provision for the marriage of same sex couples in Northern Ireland; to make provision for the legal recognition of the same sex marriage of armed forces personnel overseas and of other same sex marriages solemnised outside Northern Ireland; to make provision in the law of Northern Ireland for the conversion of civil partnerships to marriages and for the review of civil partnerships; to make provision for rights to pensions and social security contributions for same sex married couples and civil partners; to make provision for gender change by married persons and civil partners; and for connected purposes