echo 'digraph {

"Kyoujurou Rengoku" -> "Ruka Rengoku" [taillabel = "Mother of"]
"Senjurou Rengoku" -> "Ruka Rengoku" [taillabel = "Mother of"]
"Kyoujurou Rengoku" -> "Senjurou Rengoku" [taillabel = "Younger Brother of"]
"Ruka Rengoku" -> "Senjurou Rengoku" [taillabel = "Son of"]
}' | dot -Tsvg > output.svg