Herman I Thuringia
Herman I was born in 1143.  Herman I is no longer alive.

 Sophia Sommerschenburg
Sophia was born about 1147 in Sommerschenburg, Prussia.  She died in 1195.

 Irmgard of Thuringia
Irmgard of was born about 1186 in Wartburg Eisenach, Thuringia.  She died about 1244.