Count Adelger of Ilfeld
Count Adelger of was born in 1128.  Count Adelger of is no longer alive.

 Bertradis Princess of Ilfeld
Bertradis Princess of was born in 1131.  She died at the age of 53 on October 12th, 1184.

 Count Elger I of Honstein-Ilfeld
Count Elger I of was born in 1149.