(a) Spouses
(b) Former spouses
(c) Adult persons related by blood or marriage
(d) Persons who are cohabiting or who have cohabited with each other
(e) Persons who have been involved in a sexually intimate relationship with each other within two (2) years immediately preceding the filing by one of them of a petition under 107.710 (Petition to circuit court for relief
(f) Unmarried parents of a minor child