Amadeus I of Geneva
Amadeus I of was born in 1100.  He died at the age of 78 on June 26th, 1178.

 UNKNOWN Matilda
She died on July 2nd, 1137 in died by this date.

 William I of Geneva
William I of was born in 1130.  He died at the age of 48 on June 16th, 1178.