Mary Frances Duval & Elizabeth Duval

I think they were both born in New Jersey.Mary Frances married W. H. Brodie, died May 27, 1893, aged 74, in Fauquier Co., VA, buried inElizabeth, N.J.
Elizabeth Duval m. Robert Henry Boorman, lived in Fauquier Co., VA., died 1951, age 81, in Alexandria, buried in Blacksburg, VA. She was my grandmother.I think Mary FrancesDuval Brodie might have been her aunt.
Any information would be appreciated.