Board Thread:Lore Discussion/@comment-38.104.232.134-20140825194141/@comment-27007772-20141102174008

Tiber's decendancy eventually leads to Karliah. Barenziah gave birth to a daughter, and this daughter gave birth to Karliah, the elf we meet in the Thieves Guild quest in Skyrim. At is all confirmed via this book. http://www.uesp.net/wiki/Skyrim:The_Nightingales_Vol._2