Sir William II Longespée, long sword in French, (c. 1212 – 8 February 1250) was the son of William Longespée, 3rd Earl of Salisbury, and Ela, 3rd Countess of Salisbury. His death became of significant importance to the English psyche, having died as a martyr due to the purported mistakes of the French[citation needed] at the Battle of Mansurah, near Al-Mansurah in Egypt. Longespée made a pilgrimage to the Holy Land in 1240, and again in 1247. The second time, he proceeded to Rome and made a plea to Pope Innocent IV for support: