I believe that a recent merge of Elizabeth McCal Brown and Elizabeth McPherson Brown may have been done in error.
There was also a potentially erroneous merge today of her husband James H Brown with James Brown
https://www.geni.com/people/Elizabeth-Brown/6000000043821861392
https://www.geni.com/people/James-Brown/6000000043822893049?through=6000000043821861392