echo 'digraph {

"Kosame Hisakaki" -> "Komomo Hisakaki" [taillabel = "Twin Sister of"]
"Mayaka Hisakaki" -> "Komomo Hisakaki" [taillabel = "Daughter of"]
"Mayaka Hisakaki" -> "Kosame Hisakaki" [taillabel = "Daughter of"]
"Komomo Hisakaki" -> "Kosame Hisakaki" [taillabel = "Twin Sister of"]
"Komomo Hisakaki" -> "Mayaka Hisakaki" [taillabel = "Mother of"]
"Kosame Hisakaki" -> "Mayaka Hisakaki" [taillabel = "Mother of"]
}' | dot -Tsvg > output.svg