1. Short title This Act may be cited as the Caring for All Families Act . 2. Leave to care for a domestic partner, son-in-law, daughter-in-law, parent-in-law, adult child, grandparent, grandchild, or sibling of the employee, or another related individual (a) Definitions (1) Inclusion of related individuals Section 101 of the Family and Medical Leave Act of 1993 ( 29 U.S.C. 2611 ) is amended by adding at the end the following: (20) Any other individual whose close association is the equivalent of a family relationship The term any other individual whose close association is the equivalent of a family relationship , used with respect to an employee, means any person with whom the employee has a significant personal bond that is or is like a family relationship, regardless of biological or legal relationship. (21) Domestic partner The term domestic partner , used with respect to an employee, means— (A) the person recognized as the domestic partner of the employee under any domestic partnership or civil union law of a State or political subdivision of a State; or (B) in the case of an unmarried employee, an unmarried adult person who is in a committed, personal relationship with the employee, is not a domestic partner as described in subparagraph (A) to or in such a relationship with any other person, and who is designated to the employer by such employee as that employee’s domestic partner. (22) Grandchild The term grandchild means the son or daughter of an employee’s son or daughter. (23) Grandparent The term grandparent means a parent of a parent of an employee. (24) Nephew; niece The terms nephew and niece , used with respect to an employee, mean a son or daughter of the employee's sibling. (25) Parent-in-law The term parent-in-law means a parent of the spouse or domestic partner of an employee. (26) Sibling The term sibling means any person who is a son or daughter of an employee’s parent (other than the employee). (27) Son-in-law