Goswin of I Heinsberg-Valkenburg
Goswin of I was born in 1061.¹   He died at the age of 67 on April 1st, 1128.¹ 

 Oda of Walbeck
Oda of was born in 1070.¹   She died at the age of 82 in 1152.¹ 

 Goswin of II Heinsberg-Valkenburg
Goswin of II was born in 1104 in Of, Heinsberg, Rheinland, Prussia.¹   He died at the age of 53 in 1157.¹