echo 'digraph {

"Princess Suwa" -> "Haganemaru" [taillabel = "son of"]
"Kurogane's Father" -> "Haganemaru" [taillabel = "son of"]
"Princess Suwa" -> "Kurogane's Father" [taillabel = "Husband of"]
"Haganemaru" -> "Kurogane's Father" [taillabel = "Father of"]
"Kurogane's Father" -> "Princess Suwa" [taillabel = "Wife of"]
"Haganemaru" -> "Princess Suwa" [taillabel = "Mother of"]
}' | dot -Tsvg > output.svg