The CD Rom contains digitized of handwritten name indexes referring to all members of protestant parishes in the city of Cologne (communities are dutch-reformed, french-reformed and hoch- and niederdeutsch reformed)  itself and the nearby Mülheim.

Name indexes are divided the chapters christenings (Taufen/Geburten), marriages (Heiraten) and death (Sterbefälle). Within these chapters names are listed merely alphabetical with references to the original churchbooks/parish registers in which the persons are named.

The indexes contain the parish registers from 1571 - 1809.