They met by chance at a cemetery behind a church in Elizabeth. One, a Black woman, was the church pastor seeking to preserve the legacy of enslaved ancestors. The other, a white woman, was searching for an ancestor who was part of the Continental Congress. Pastor Wanda Lundy later invited Nancy Benz to join the nonprofit 313+ Ancestors Speak project, which honors enslaved and free African American people buried at Old First Cemetery at Siloam-Hope First Presbyterian Church on Broad Street near Caldwell Place. Now, the women work hand in hand to fulfill the nonprofit’s goal of building a 21-foo…