echo 'digraph {

"Ai" -> "Kokoro" [taillabel = "Mother of"]
"Mitsuru" -> "Kokoro" [taillabel = "Wife of"]
"Ai" -> "Mitsuru" [taillabel = "Father of"]
"Kokoro" -> "Mitsuru" [taillabel = "Husband of"]
"Kokoro" -> "Ai" [taillabel = "Daughter of"]
"Mitsuru" -> "Ai" [taillabel = "Daughter of"]
}' | dot -Tsvg > output.svg