echo 'digraph {

"Shouhei Amamoto" -> "Yumi Ikegami" [taillabel = "girlfriend of"]
"Yumi Ikegami" -> "Shouhei Amamoto" [taillabel = "boyfriend of"]
"Fujino Amamoto" -> "Shouhei Amamoto" [taillabel = "younger brother of"]
"Yoshimi Amamoto" -> "Shouhei Amamoto" [taillabel = "son of"]
}' | dot -Tsvg > output.svg