Noted events in her life were:
• Father. 999 Herleva's father was a tanner or perhaps an undertaker.
Herleva had a relationship with Duke Robert I The Magnificent of Normandy, son of Richard II "The Good" of Normandy and Judith of Brittany of Rennes. (Duke Robert I The Magnificent of Normandy was born on 22 Jun 1000,1060,1061 died 1-3 Jul 1035 in Nicaea, Turkey 1060,1061 and was buried in Italy 1060.)