Genesis knew that the Lone Wanderer rescued a baby girl named Mari and she was raised in the Pitt because she's immune to just about everything there and she had to be taken from there and fast.
She had managed to find Mari and get her out of the damned Pitt for good. The girls settled down at a hotel for the night while the paladin stayed by their sides for the evening.
Mari and Marcus ate alright while Genesis just played with her food before eating some of it. But as Mari settled down, she knew that her heart has to remain free for the time being.
She wrote in her journal for the evening while Mari settled down nearby. Marcus asked,"Why did your mother never wanted to raise you in the Pitt Genesis?" She sighed as she said,"To be honest with you Marcus, I never truly learned out why she never wanted me in the godforsaken hellhole to begin with."
He nodded and motioned towards the other bed saying,"You better get some sleep though. I can't exactly say that I've kept our wandering scribe wide eyed and raring to go if she won't even sleep."
She smiled and did as she was bid for the night and settled down herself and fell into a deep sleep. As they slept, Marcus dozed from time to time while keeping on the alert as well.
The next morning found the trio heading to Rivet City to see if Dr. Lee could use Mari as a member of the science team. Once there, they were surprised when dr Lee agreed to have Mari a part of the team with her knowledge of things from the Pitt.
Before leaving, Genesis traded some items to a few traders before going back to the brotherhood. As they arrived back, she knew that she had to speak with Elder Lyons about the Lone Wanderer. For future generations to read of her as well. And he gave her their stories of Leann as well. Before leaving, Marcus asked Elder Lyons for permission to join Genesis.
He agreed and the two went back out into the wasteland.