gedcom2gexf allows to import genealogical data stored in
in Gephi,
an open-source network analysis and visualization software.
The gedcom2gexf script converts
a gedcom file to
a gexf file.
A gedcom file contains genealogical data, that can be created with
many softwares, like Gramps.
A gexf file contains graph data, that can be imported in Gephi.