echo 'digraph {

"Yura Onoda" -> "Rika Kawada" [taillabel = "Sister of"]
"Makoto Onoda" -> "Yura Onoda" [taillabel = "Wife of"]
"Rika Kawada" -> "Yura Onoda" [taillabel = "Sister of"]
}' | dot -Tsvg > output.svg