text: In one possible case indicative of the law related to parenting and polyamory in the United States, the Pennsylvania State Supreme Court in 2006 voted 5–1 that a father in a custody case had the right to teach his child (age 13) about polygamy (and hence possibly by implication about other multiple partner relationships), and that this right "trumped" the anti-bigamy and other laws that might apply and was not deemed inherently harmful to the child.