Heinrich von Zelle, count palatine of the Rhine 
Heinrich, known as Longus, was born about 1175.  He died on April 28th, 1227.

 Agnes Hohenstaufen
Agnes was born in 1176.  She died at the age of 28 on May 9th, 1204.  She was buried in St. Marien in Stade.

 Agnes von Braunschweig
Agnes was born in 1201.  She died at the age of 66 in 1267.