User blog comment:DeathGodPrayer/Talk About What You Want!/@comment-85.154.146.101-20140209163918/@comment-1359322-20140209164551

????. Venelana and Lord Gremory isn't really admiring Issei or not. They just decide to accept their daughters' choice and they could get along well with Issei. Also there is no prove that they didn't admire or couldn't get along well with Riser. They might have viewed Riser as a suitable groom for Rias, so they engaged both Riser and Rias.