Notes for Emma de Dinan
Curiously in Keats-Rohan's Domesday Descendants, p. 433, there is an Alan de Dinan, d. 1157, who had a daughter Emma who married Alan de Vitré. She says more information is to be found in her article "Wigan the Marshal and Other Bretons in Orderic Vitalis" in Journal of Medieval History 1992 and in M Jones' "The family of Dinan in England in the Middle Ages".