Ser Galen was a Komarran and a member of the Galen Family, once a powerful oligarchy on Komarr. When his sister Rebecca Galen was killed in the Solstice Massacre, he formed a terrorist group and pressed his two sons, Duv Galeni and an unnamed older one into it. When the clone was full-grown, Galen collected him from the Bharaputrans and began training him to replace Miles Vorkosigan. Galen was eventually killed by Mark Vorkosigan.