 Ermengol IV, Count of Urgell

Ermengol (or Armengol) IV (1056–1092), called "el de Gerb" or "Gerp", was the Count of Urgell from 1066 to his death.He was the son of Ermengol III and Adelaide, whose family is not known, even if some scholars made her daughter of Guillem I, Count of Besalu.