Albert I of Käfernburg
Even before his consecration , he had inclined to the side of the Hohenstaufen candidate Philip of Swabia , who sought the crown in spite of his minor nephew Frederick II , the son and heir of late Emperor Henry VI . 
<triplet> Philip of Swabia <subj> Henry VI <obj> sibling <triplet> Frederick II <subj> Henry VI <obj> father <triplet> Henry VI <subj> Philip of Swabia <obj> sibling <subj> Frederick II <obj> child