No, they are not related.
Danny Rapp was born on May 10, 1942, in Philadelphia, Pennsylvania, USA.
No, he committed suicide in 1983.
Torsten Rapp died in 1993.
Jean Rapp died in 1821.
Isaac Rapp died in 1933.
Siegfried Rapp died in 1982.
Anders Rapp died in 1998.
Christian Rapp died in 2004.
Danny Rapp, Frank Maffei, Joe Terranova, and Dave White
Mary Rapp died on June 3, 1964.
Reynold Rapp died on 1972-06-17.