Railend was the daughter of unknown parents. The date and place of her birth have not been found.
She had two marriages/partners. Her first husband was Sigfred. They were married, but the date and place have not been found. They had no known children.
Her second husband was Oberto II of the Obertenghi. They were married, but the date and place have not been found. Their two known children were Albert-Azzo I (?-1029) and Berthe (0997-1029).