Provided is a non-transitory computer-readable storage medium storing a program causing a computer to execute a process, the process including: receiving a first operation that specifies a person symbol from a plurality of person symbols representing persons present in a family tree; displaying a plurality of first candidate person symbols capable of being connected with the person symbol specified by the received first operation by referring to a first storage unit that stores attribute information with respect to each of a plurality of persons; receiving a second operation that selects a first candidate person symbol from the plurality of first candidate person symbols that have been displayed; and displaying the first candidate person symbol selected by the received second operation while the selected first candidate person symbol is being connected with the person symbol specified by the first operation.