Agnes of Hohenstaufen , the emperor 's cousin , is engaged to be married to the son of Henry the Lion , Henry `` Palatinus `` , but the war brings this alliance into doubt .
PROPN ADP PROPN , DET NOUN PART NOUN , AUX VERB PART VERB ADJ ADP DET NOUN ADP PROPN DET PROPN , PROPN `` PROPN `` , CCONJ DET NOUN VERB DET NOUN ADP NOUN .