Family/Spouse: Jean de Ferrers. Jean (daughter of William de Ferrers, 5th Earl of Derby and Sibyl Marshal) was born about 1230; died in 1267. [Group Sheet] [Family Chart]
Robert married Margaret de Savoie in 1269. Margaret (daughter of Thomas II de Savoie, Count of Flanders and Beatrice of Fieschi) died on 14 May 1292. [Group Sheet] [Family Chart]
- 1285
