Omberto Aldobrandeschi
Omberto Aldobrandeschi, as a member of the Aldobrandeschi family, is a Count of Santafiore in the Maremma of Siena. Counts of Santafiore are usually in wars against the city of Siena. In 1259, Omberto was killed in one of these battles, at the village of Campagnatico. Omberto is mentioned in Canto XI of Purgatorio of Divine Comedy by Dante, as an example of a sinner of pride.