Simon was killed during the siege (on 25 June 1218); his son Amaury VI of Montfort took his place, and for five years the Crusade faltered.
Simon tewas terbunuh di dalam pengepungan (pada tanggal 25 Juni 1218); putranya Amaury VI dari Montfort menggantikannya dan selama lima tahun Perang Salib menjadi tersendat.