Mariana Remple's personal materials include a large amount of correspondence, drawings and watercolors, newspaper and magazine clippings, calendars and miscellaneous papers, wedding planning materials and gifts, and German songbooks. At the end of the series are a small amount of personal materials belonging to Mariana's father Henry W. Lohrenz, mother Anna M. (Friesen) Lohrenz, and brother Henry H. Lohrenz.