Count Friedrich of Altena
Count Friedrich of was born in 1192.  He died at the age of 57 on June 28th, 1249.

 Irmgard of Geldern
Irmgard of was born in 1207.  She died at the age of 43 in 1250.

 Princess Richarda of Altena-Mark
Princess Richarda of was born in 1232.

 Count Eberhard of Mark
Count Eberhard of was born in 1233.

 Count Otto of Altena
Count Otto of was born in 1234.  He died at the age of 35 on August 14th, 1269.

 Count Engelbert I of Mark
Count Engelbert I of was born in 1236 in <Sittard,Limburg,Neth.>.  He died at the age of 41 on November 16th, 1277 in Prussia.  He was buried in 1277 in Cappenberg.¹ 

 Bishop Gerhard of Münster
Bishop Gerhard of was born in 1239.  He died at the age of 33 on August 11th, 1272.

 Princess Adelheid of Mark
Princess Adelheid of was born in 1242.