The hit series Modern Family follows three separate families that are all related through Ed O'Neill's Jay Pritchett, but as families grow, separate, and come back together, the family tree gets more complicated. Modern Family ran for 11 seasons and over the course of its successful run the series saw multiple births, deaths, and reunions. Utilizing three diverse family set-ups, the sitcom is set in modern-day Los Angeles and zeroes in on the lives of the nuclear Dunphy family, husbands Mitchell Pritchett and Cameron Tucker and their adoptive children, and the remarried Jay Pritchett with his second wife Gloria and her son from another marriage, Manny.

If the cast of Modern Family didn't sound expansive enough based on the first season alone, it only grew as time went on, and more additions were made to the family tree while other key members who were only mentioned in passing, like Claire and Mitchell's mother DeDe,...