echo 'digraph {

"White Heart" -> "Blanc" [taillabel = "Human form of"]
"Ram" -> "Blanc" [taillabel = "Older Sister of"]
"Rom" -> "Blanc" [taillabel = "Older Sister of"]
"Blanc" -> "White Heart" [taillabel = "HDD form of "]
"Blanc" -> "Ram" [taillabel = "Younger Sister of"]
"Rom" -> "Ram" [taillabel = "Twin sister of"]
"Blanc" -> "Rom" [taillabel = "Younger Sister of"]
"Ram" -> "Rom" [taillabel = "Twin sister of"]
}' | dot -Tsvg > output.svg