echo 'digraph {

"Miku's father" -> "Miku" [taillabel = "Daughter of"]
"Miku's mother" -> "Miku" [taillabel = "Daughter of"]
"Miku" -> "Miku's mother" [taillabel = "Mother of"]
"Miku's father" -> "Miku's mother" [taillabel = "Wife of"]
"Miku" -> "Miku's father" [taillabel = "Father of"]
"Miku's mother" -> "Miku's father" [taillabel = "Husband of"]
}' | dot -Tsvg > output.svg