Sæmundr Sigfússon, The Elder Edda of Saemund Sigfusson and the Younger Edda of Snorre Sturleson… (1907)
“ Gunnar had sought the hand of Oddrun, Atli's sister, but did not obtain it. He then married Glaumvor, and Hogni took Kostbera to wife. Their sons were Solar, Snævar, and Giuki. When the Giukungs came to Atli, Gudrun besought his sons to intercede for their lives, but they would not. ”
