echo 'digraph {

"Yuuji Tachibana" -> "Keijiro" [taillabel = "Father of"]
"Takeaki" -> "Yuuji Tachibana" [taillabel = "the nephew of "]
"Iku Nakatani" -> "Yuuji Tachibana" [taillabel = "Son of"]
"Keijiro" -> "Yuuji Tachibana" [taillabel = "Son of"]
}' | dot -Tsvg > output.svg