Illinois Statutes Chapter 40. Pensions § 5/8-152. Widows or former wives not entitled to annuity

(a) The widow, married subsequent to the effective date, of an employee who dies in service if she was not married to him before he attained age 65;

(b) The widow, married subsequent to the effective date, of an employee who withdraws from service whether or not he enters upon annuity, and who dies while out of service, if she was not his wife while he was in service and before he attained age 65;

(c) The widow of an employee with 10 or more years of service whose death occurs out of and after he has withdrawn from service, and who has received a refund of his contributions for annuity purposes;

(d) The widow of an employee with less than 10 years of service who dies out of service after he has withdrawn from service before he attained age 60;

(e) The former wife of an employee whose judgment of dissolution of marriage has been vacated or set aside after the employee's death, unless the proceedings to vacate or set aside the judgment were filed in court within 5 years after the entry thereof and within one year after the employee's death, and unless the board is made a party defendant to such proceedings.