Spidersilk

Spidersilk is an adult female dragon first introduced in Book 2. After leaving her wild dragon clan with her four dragonlings, Spidersilk lived on Cyclone Island with the Emberlin family, and was named after both Spyder and Ribbonsilk. She is the mother of Spyder's Feared Five, consisting of Alpha, Beta, Gamma, Delta and Omega (who was adopted into their family)