Complex sentence: Snowfur also gave Rosetail her name (when she was in the nursery) because of her pinky-orange tail and at Bluestar's leader ceremony, she gave her the gift of pride, so that she knows her own worth and the worth of her Clan.
Split into simpler sentences: Snowfur also gave Rosetail her name (when she was in the nursery) because of her pinkish-orange tail. At Bluestar's leader ceremony, she gave her the gift of pride, so that she knows her own worth and the worth of her Clan.