أرناط
Humphrey was born in about 1165, the son of Humphrey, heir to Humphrey II of Toron, and Stephanie of Milly. Humphrey was a child when his father died around 1173. His mother soon inherited the Lordship of Oultrejourdan. She married Miles of Plancy, Seneschal of Jerusalem, who was murdered in October 1174. The following year she married Raynald of Châtillon. Humphrey inherited the Lordship of Toron from his grandfather who died of wounds received at the Battle of Banyas on 22 April 1179.