echo 'digraph {

"Nurarihyon" -> "Nurarihyon (young)" [taillabel = "younger version of"]
"Rikuo Nura" -> "Nurarihyon" [taillabel = "Grandfather of"]
"Yohime" -> "Nurarihyon" [taillabel = "Husband of"]
"Rihan Nura" -> "Nurarihyon" [taillabel = "Father of"]
"Yamabuki Otome" -> "Nurarihyon" [taillabel = "Father-in-law of"]
"Wakana Nura" -> "Nurarihyon" [taillabel = "Father-in-law of"]
"Nurarihyon (young)" -> "Nurarihyon" [taillabel = "older version of"]
}' | dot -Tsvg > output.svg