Karl I Zahringen
Karl I was born about 1430.  He died in 1475.

 Katharina Von Habsburg
Katharina Von was born in 1424.  She died at the age of 69 on September 11th, 1493 in Schloss Hohenbaden, Austria.

 Catherine Zahringen
Catherine was born on January 15th, 1449.  She died before May 14th, 1484.

 Christoph I Zahringen
Christoph I was born on November 13th, 1453.  He died at the age of 73 on April 19th, 1527.