Berthold I of Schwarzenburg
Berthold I of was born about 1060.  He died in 1112.

 Richarda of Sponheim
Richarda of was born in 1084.  She died at the age of 68 in 1152.¹ 

 Count Engelbert of Schwarzenburg
Count Engelbert of was born in 1086.  He died at the age of 36 in 1122.