Otto of Tonengo
Cardinal
Otto of Tonengo was an Italian papal diplomat and cardinal, first as deacon of San Nicola in Carcere from 1227 and then as bishop of Porto e Santa Rufina from 1244.
He is called in many English sources Otto Candidus, meaning "Otto the White", a... Wikipedia
Died: 1251
Parents: William VI, Marquis of Montferrat