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Born to Radovan Lena, Radovan's father abandoned his family after he was born, leaving his mother to solely look after him and his brother Radovan Jendo. Tragedy would later strike his family; Jendo was killed in an accident at a Dytallix B ore processing facility and his mother developed an debilitating illness and died. (DS9 novel: Original Sin)
In 2380, Radovan was convinced to travel to Endalla by Winser Elevet. The moon was where the Ohalavaru believed they would find evidence that the Prophets were not gods to the Bajorans, but only an alien race. Radovan encountered Benjamin Sisko during the later stand-off between Rejias Norvan and Starfleet. (DS9 novel: Original Sin)