Family law--guardians of incompetent persons can refuse life-prolonging treatment for their wards.
Gilman
Gail S
GS
D005066:Euthanasia, Passive; D006801:Humans; D033222:Judicial Role; D007603:Jurisprudence; D007872:Legal Guardians; D008020:Life Support Care; D016743:Mental Competency; D019989:Persons with Intellectual Disabilities; D018907:Privacy; D020458:Third-Party Consent; D016312:Treatment Refusal; D028761:Withholding Treatment