Polyfamily

Group marriage must be contrasted with polyfamilies, which is similar to group marriage but where some members may not considered themselves married to all other members.

Source: wiktionary

Interestingly, despite the percentages above illustrating that many polyfamilies in the Polyamory Survey had children or wanted children, only approximately 30 percent of survey respondents had told their children about their poly relationships or their desire to be in one...

Source: wiktionary

When a child is born into a polyfamily, he or she has legal parents and nonlegal parents.

Source: wiktionary

Some adults in the research who had grown up in polyfamilies and who had learned to lie at school believed that the positives they had gained from being raised in such closeted families far outweighed any negatives such as lying.

Source: wiktionary