echo 'digraph {

"Naoma Mitani" -> "Rikuto Mitani" [taillabel = "Son of"]
"Ryouko Mitani" -> "Rikuto Mitani" [taillabel = "Son of"]
"Rikuto Mitani" -> "Naoma Mitani" [taillabel = "Father of"]
}' | dot -Tsvg > output.svg