65. For the purposes of the plan, the spouse is the person who is married to the employee or pensioner, as the case may be, or, in the case of an unmarried employee or pensioner, the person of the opposite or the same sex who was unmarried at the time of the death of the employee or pensioner and who had been living in a conjugal relationship with the pensioner or employee for a period of not less than three years immediately prior to the employee’s or pensioner’s death and had been publicly represented as the employee’s or pensioner’s spouse by the employee or pensioner or who, during the year preceding the employee’s or pensioner’s death, was living in a conjugal relationship with the employee or pensioner while one of the following situations occurred :(1) a child was or is to be born of their union ;
(2) they adopted a child together ; or
(3) one of them adopted a child of the other.