Ralph de Burun (estates in Nottingham and Derby). | Hugh de Burun (Lord of Horestan). | Hugh de Buron (became a monk). | Sir Roger de Buron (gave lands to monks of Swinstead). | | Sir Richard Clayton. | | Robert de Byron. = Cecelia | Robert de Byron | Sir John Byron (Governor of York under Edward I.). | -------------------------------- | | Sir Richard Byron. Sir John (knighted at siege of Calais) | Sir John (knighted in 3rd year of Henry V.). | | Sir John Butler. | | Sir Nicholas. = Alice. | ----------------------------------- | | Sir Nicholas (made . at Sir John.
