Joan de Montacute (1349-1375) (1349–1375) Parents Alice of Norfolk Edward Montagu, 1st Baron Montagu Children Siblings Etheldreda Mountagu Edward Mountagu Matilda de Montacute Margaret de Montacute Maud Mountagu Edward Mountagu Ethelreda Mountagu Elizabeth Mountagu Partners William de Ufford, 2nd Earl of Suffolk