Tancredo De Hauteville
Tancredo is no longer alive.

 Robert Guiscard
Robert Guiscard was born about 1015 and his baptism took place in Cefalônia (Grécia).  He died in 1085.

 Príncipe Guimar IV De Salerno
Guimar IV De is no longer alive.

 Roger I Da Sicília
Roger I is no longer alive.