Marko cared for his step-brother and it is hinted that he adored him. At some point during his childhood, his father married a female with a 'timid soul' whose last name was Booth and took in her son Sergio, who was younger than Marko by five years. Not much is known about his parents, other than his father worked in the maintenance department to provide for the family, and there is no mention of his biological mother. Marko was born in an unspecified vault somewhere in the East provinces of America. All of which may be a fabrication, but the context of the story contains similar elements to known facts about Marko, which suggests to some extent, that it may be true. The following is based on information Marko gives away while under his alias.
