echo 'digraph {

"Mina" -> "Shinigami Oyabin" [taillabel = "Grandfather of"]
"Seren Melvil" -> "Mina" [taillabel = "Granddaughter of"]
"Shinigami Oyabin" -> "Mina" [taillabel = "Granddaughter of"]
}' | dot -Tsvg > output.svg