According to the invention, a system for storing and displaying genealogical information is disclosed. The system may include a processor and a storage medium having processor instructions. The instructions may be for receiving information which identifies a first and second parent, receiving information which identifies a first and second child, and receiving an indication that the first child is a biological child of both parents, and that the second child is a biological child of only one parent. The instructions may further be for receiving a first instruction to display a first listing of children, and in response, causing the first child to be displayed in the first listing, but not the second child. The instructions may additionally be for receiving a second instruction to display a second listing of children, and in response, causing both the first child and the second child to be displayed in the second listing.