Woman Sues for 3rd-Parent Status

(Toronto) Check out this story. It appears to me that it leads directly to the legalization of polygamous relationships.

From Globe and Mail:

A woman in London, Ont., wants the Ontario Court of Appeal to recognize her as the third parent of a boy she's raising with her lesbian partner.

The application, if allowed, would be believed to mark the first time in Canada a child would legally have more than two parents, and would fundamentally change the definition of the word "family."

If a child has two moms and one dad, why couldn't the youngster have 10 moms and one dad?