Baldwin I of Jerusalem King of Jerusalem from 1100 to 1118 (1058–1118) Parents Ida of Lorraine Eustace I, Count of Boulogne Eustace II, Count of Boulogne Children Siblings Eustace III, Count of Boulogne Ida of Boulogne Godfrey of Bouillon Gerberga of Boulogne Geoffroy de Boulogne John de Fiennes Lambert II, Count of Lens Godefroy de Boulogne, Lord of Carshalton Partners Godehild Adelaide del Vasto Arda of Armenia