Count Friedrich of Hopfenoe
Count Friedrich of was born in 1068.  He died at the age of 51 in 1119.

 Princess Heilwig of Hopfenoe
Princess Heilwig of was born in 1069.  She died at the age of 60 in 1129.

 Princess Heilika of Burg-Lengenfeld
Princess Heilika of was born in 1091.  She died at the age of 73 in 1164.¹