echo 'digraph {

"Kotoko Nanakase" -> "Shikiko Nanakase" [taillabel = "Mother of"]
"Yui Nanakase" -> "Shikiko Nanakase" [taillabel = "Mother of"]
"Shikiko Nanakase" -> "Kotoko Nanakase" [taillabel = "Daughter of"]
"Shikiko Nanakase" -> "Yui Nanakase" [taillabel = "Daughter of"]
}' | dot -Tsvg > output.svg