https://www.metv.com/stories/barry-williams-hit-the-pause-button-to-be-back-for-a-very-brady-christmas

The family may have all aged, but their chemistry was as familiar as the original days of The Brady Bunch.

Ann B. Nelson? Certainly they meant to say Ann B. Davis, no?

I wonder if Nelson was her real last name?

In that sentence they used Robert Reed, actor, Cindy Brady, show character, and Ann B. Nelson, a combination. It should have been either Alice Nelson or Ann B. Davis.