echo 'digraph {

"Hypnos" -> "Nyx" [taillabel = "Mother of"]
"Thanatos" -> "Nyx" [taillabel = "Mother of"]
"Chaos" -> "Nyx" [taillabel = "Daughter of"]
"Charon" -> "Nyx" [taillabel = "Mother of"]
"Thanatos" -> "Charon" [taillabel = "Older Brother of"]
"Hypnos" -> "Charon" [taillabel = "Older Brother of"]
"Nyx" -> "Charon" [taillabel = "Son of"]
"Thanatos" -> "Hypnos" [taillabel = "Twin Brother of"]
"Charon" -> "Hypnos" [taillabel = "Younger Brother of"]
"Nyx" -> "Hypnos" [taillabel = "Son of"]
"Hypnos" -> "Thanatos" [taillabel = "Twin Brother of"]
"Nyx" -> "Thanatos" [taillabel = "Son of"]
"Charon" -> "Thanatos" [taillabel = "Younger Brother of"]
}' | dot -Tsvg > output.svg