Pierre de Joinville lord of Stanton Lacy (1250–1292) Parents Geoffrey of Joinville Maud de Lacy, Baroness Geneville Children Joan de Geneville, 2nd Baroness Geneville Matilda de Genevile Beatrix de Genevile Siblings Jeanna de Joinville Geoffroy de Joinville Simon de Joinville Gauthier de Joinville Nicolas de Joinville Caterine de Joinville Pierre de Joinville Jean de Joinville Guillaume de Joinville Partners Joan of Lusignan