Robert of Mortain (2nd Earl of Cornwall)

Robert was born in 1031.  Robert's father was Herluin de Conteville and his mother was Herleva de Falaise. He had a brother named Odo.  He was the younger of the two children. He had a half-brother and a half-sister, named The Conqueror and Adelaide.  He died at the age of 59 in 1090.