Helen J. Nicholson is Professor in Medieval History, Cardiff University, UK

Queen Sybil of Jerusalem, queen in her own right, was ruler of the kingdom of Jerusalem from 1186 to 1190. This study traces Sybil's life, from her childhood as the daughter of the heir to the throne of Jerusalem to her death in the crusading force outside the city of Acre.

Who was Sybil? Family and sources / Childhood (c. 1159-1171) / Adolescence and marriage (1172-1177) / Widow, countess, and second marriage (1177-1180) / Wife of Guy de Lusignan and mother of the child-king (1180-1186) / Queen (1186-1187) / Sybil versus Saladin (1187-1189) / The siege of Acre and the end of the reign (1189-1190) / Bibliography