 Raynald of Châtillon , also known as Reynald or Reginald of Châtillon ( French : Renaud de Châtillon ; c . 1125 – 4 July 1187 ) , was Prince of Antioch from 1153 to 1160 or 1161 , and Lord of Oultrejordain from 1175 until his death . He was born as his father 's second son into a French noble family . After losing a part of his patrimony , he joined the Second Crusade in 1147 . He settled in the Kingdom of Jerusalem and served in the royal army as a mercenary . 
