Ingjald Olofsson
Ingjald Olofsson was the son of Olof Trätälja and became the king of Värmland after his father's death , according to legend . 
<triplet> Ingjald Olofsson <subj> Olof Trätälja <obj> father <triplet> Olof Trätälja <subj> Ingjald Olofsson <obj> child