echo 'digraph {

"Miroku" -> "Sango" [taillabel = "Wife of"]
"Kohaku" -> "Sango" [taillabel = "Younger Sister of"]
"Sango" -> "Miroku" [taillabel = "Husband of"]
"Sango" -> "Kohaku" [taillabel = "Younger brother of"]
}' | dot -Tsvg > output.svg