he was abandoned and left in an orphanage. no one wanted him despite his great intelligence

when he turned 18 he had to leave the orphanage leaving the streets, alone and sad, having to steal food in order to survive. but he went to the library to study and had the possibility of entering the university managing to get his degree in medicine many years before the others.

Family

currently has two brothers spook and ploe

Extra data

as another fact, marcus does know who his parents are because they talked to the university to let him in. Marcus' parents were poor and didn't want a bad life for their little one. sadly those are no longer there due to an accident