Richard Siward

Richard Siward (died 1248) was a 13th-century soldier who fought as a mercenary. In 1217 he fought on the side of Henry III of England in the Battle of Sandwich. He was a member of Henry's Royal Council.

In 1220 he supported William de Forz's rebellion against King Henry III. The rebellion failed in 1221 though Siward was pardoned later that year. In 1234 Siward was given control of Bolsover Castle by the English king.

He participated in the 6th Crusade as documented in the Chronica Majora by Matthew Paris.

He was married to Phillipa Basset. Thus becoming Lord of the Manor of Headington. They later divorced.

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