Matilda de Beauchamp Peerage person ID=568288 (b. 1229) Parents Ida de Longespee William de Beauchamp Children Roger de Mowbray, 1st Baron Mowbray Isabel de Mowbray Joan de Mowbray Siblings Simon III de Beauchamp William de Beauchamp Ela de Beauchamp John de Beauchamp Beatrice de Beauchamp John de Beauchamp Partners Roger le Strange, Baron Strange Roger de Mowbrey